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2042440200 = 2332521816269
BaseRepresentation
bin111100110111101…
…0010101000001000
312021100012201020100
41321233102220020
513140331041300
6534400325400
7101420312103
oct17157225010
95240181210
102042440200
119589a4609
12490013860
132671b67c8
1415538573a
15be497700
hex79bd2a08

2042440200 has 144 divisors (see below), whose sum is σ = 6898191300. Its totient is φ = 541555200.

The previous prime is 2042440157. The next prime is 2042440201. The reversal of 2042440200 is 20442402.

2042440200 is a `hidden beast` number, since 2 + 0 + 424 + 40 + 200 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 88623396 + 1953816804 = 9414^2 + 44202^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2042440201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 322666 + ... + 328934.

Almost surely, 22042440200 is an apocalyptic number.

2042440200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042440200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449095650).

2042440200 is an abundant number, since it is smaller than the sum of its proper divisors (4855751100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042440200 is a wasteful number, since it uses less digits than its factorization.

2042440200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2042440200 is about 45193.3645572002. The cubic root of 2042440200 is about 1268.7706292196.

Adding to 2042440200 its reverse (20442402), we get a palindrome (2062882602).

The spelling of 2042440200 in words is "two billion, forty-two million, four hundred forty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 181 200 225 300 360 362 450 543 600 724 900 905 1086 1448 1629 1800 1810 2172 2715 3258 3620 4344 4525 5430 6269 6516 7240 8145 9050 10860 12538 13032 13575 16290 18100 18807 21720 25076 27150 31345 32580 36200 37614 40725 50152 54300 56421 62690 65160 75228 81450 94035 108600 112842 125380 150456 156725 162900 188070 225684 250760 282105 313450 325800 376140 451368 470175 564210 626900 752280 940350 1128420 1134689 1253800 1410525 1880700 2256840 2269378 2821050 3404067 3761400 4538756 5642100 5673445 6808134 9077512 10212201 11284200 11346890 13616268 17020335 20424402 22693780 27232536 28367225 34040670 40848804 45387560 51061005 56734450 68081340 81697608 85101675 102122010 113468900 136162680 170203350 204244020 226937800 255305025 340406700 408488040 510610050 680813400 1021220100 2042440200