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56972104 = 2372237189
BaseRepresentation
bin1101100101010…
…1001101001000
310222012111000221
43121111031020
5104041101404
65353035424
71261153300
oct331251510
9128174027
1056972104
112a182a92
12170b5b74
13ba59a07
1477d0600
155005954
hex3655348

56972104 has 96 divisors (see below), whose sum is σ = 132969600. Its totient is φ = 22767360.

The previous prime is 56972101. The next prime is 56972107. The reversal of 56972104 is 40127965.

It is an interprime number because it is at equal distance from previous prime (56972101) and next prime (56972107).

It is a self number, because there is not a number n which added to its sum of digits gives 56972104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56972101) 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, 640092 + ... + 640180.

It is an arithmetic number, because the mean of its divisors is an integer number (1385100).

Almost surely, 256972104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56972104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66484800).

56972104 is an abundant number, since it is smaller than the sum of its proper divisors (75997496).

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

56972104 is a wasteful number, since it uses less digits than its factorization.

56972104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 56972104 is about 7547.9867514457. The cubic root of 56972104 is about 384.7873205510.

The spelling of 56972104 in words is "fifty-six million, nine hundred seventy-two thousand, one hundred four".

Divisors: 1 2 4 7 8 14 23 28 46 49 56 71 89 92 98 142 161 178 184 196 284 322 356 392 497 568 623 644 712 994 1127 1246 1288 1633 1988 2047 2254 2492 3266 3479 3976 4094 4361 4508 4984 6319 6532 6958 8188 8722 9016 11431 12638 13064 13916 14329 16376 17444 22862 25276 27832 28658 34888 44233 45724 50552 57316 80017 88466 91448 100303 114632 145337 160034 176932 200606 290674 309631 320068 353864 401212 581348 619262 640136 802424 1017359 1162696 1238524 2034718 2477048 4069436 7121513 8138872 14243026 28486052 56972104