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2056415200 = 255271721601
BaseRepresentation
bin111101010010010…
…0110011111100000
312022022111201022221
41322210212133200
513202420241300
6540020040424
7101650145410
oct17244463740
95268451287
102056415200
1196587a1a4
12494833114
1326a06a738
14157182640
15c080831a
hex7a9267e0

2056415200 has 144 divisors (see below), whose sum is σ = 6075173664. Its totient is φ = 663552000.

The previous prime is 2056415197. The next prime is 2056415209. The reversal of 2056415200 is 25146502.

It is a super-3 number, since 3×20564152003 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056415209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84400 + ... + 106000.

It is an arithmetic number, because the mean of its divisors is an integer number (42188706).

Almost surely, 22056415200 is an apocalyptic number.

2056415200 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 2056415200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037586832).

2056415200 is an abundant number, since it is smaller than the sum of its proper divisors (4018758464).

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

2056415200 is a wasteful number, since it uses less digits than its factorization.

2056415200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645 (or 21632 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2056415200 is about 45347.7143856226. The cubic root of 2056415200 is about 1271.6578262933.

The spelling of 2056415200 in words is "two billion, fifty-six million, four hundred fifteen thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 25 28 32 34 35 40 50 56 68 70 80 85 100 112 119 136 140 160 170 175 200 224 238 272 280 340 350 400 425 476 544 560 595 680 700 800 850 952 1120 1190 1360 1400 1700 1904 2380 2720 2800 2975 3400 3808 4760 5600 5950 6800 9520 11900 13600 19040 21601 23800 43202 47600 86404 95200 108005 151207 172808 216010 302414 345616 367217 432020 540025 604828 691232 734434 756035 864040 1080050 1209656 1468868 1512070 1728080 1836085 2160100 2419312 2570519 2937736 3024140 3456160 3672170 3780175 4320200 4838624 5141038 5875472 6048280 7344340 7560350 8640400 9180425 10282076 11750944 12096560 12852595 14688680 15120700 17280800 18360850 20564152 24193120 25705190 29377360 30241400 36721700 41128304 51410380 58754720 60482800 64262975 73443400 82256608 102820760 120965600 128525950 146886800 205641520 257051900 293773600 411283040 514103800 1028207600 2056415200