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2042538480 = 2432513720707
BaseRepresentation
bin111100110111110…
…1010100111110000
312021100101201001100
41321233222213300
513140342212410
6534402404400
7101421201453
oct17157524760
95240351040
102042538480
11958a61434
12490060700
1326721c468
141553ad49a
15be4b68c0
hex79bea9f0

2042538480 has 120 divisors (see below), whose sum is σ = 6909928272. Its totient is φ = 540675072.

The previous prime is 2042538439. The next prime is 2042538481. The reversal of 2042538480 is 848352402.

2042538480 is a `hidden beast` number, since 2 + 0 + 42 + 538 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042538481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88287 + ... + 108993.

Almost surely, 22042538480 is an apocalyptic number.

2042538480 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 2042538480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454964136).

2042538480 is an abundant number, since it is smaller than the sum of its proper divisors (4867389792).

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

2042538480 is a wasteful number, since it uses less digits than its factorization.

2042538480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863 (or 20854 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 2042538480 is about 45194.4518718836. The cubic root of 2042538480 is about 1268.7909795139.

The spelling of 2042538480 in words is "two billion, forty-two million, five hundred thirty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 137 144 180 240 274 360 411 548 685 720 822 1096 1233 1370 1644 2055 2192 2466 2740 3288 4110 4932 5480 6165 6576 8220 9864 10960 12330 16440 19728 20707 24660 32880 41414 49320 62121 82828 98640 103535 124242 165656 186363 207070 248484 310605 331312 372726 414140 496968 621210 745452 828280 931815 993936 1242420 1490904 1656560 1863630 2484840 2836859 2981808 3727260 4969680 5673718 7454520 8510577 11347436 14184295 14909040 17021154 22694872 25531731 28368590 34042308 42552885 45389744 51063462 56737180 68084616 85105770 102126924 113474360 127658655 136169232 170211540 204253848 226948720 255317310 340423080 408507696 510634620 680846160 1021269240 2042538480