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56152990 = 2529227853
BaseRepresentation
bin1101011000110…
…1001110011110
310220122212102101
43112031032132
5103333343430
65323315314
71251202225
oct326151636
9126585371
1056152990
1129773633
121697bb3a
13b830c2a
147659cbc
154de2dca
hex358d39e

56152990 has 32 divisors (see below), whose sum is σ = 105144480. Its totient is φ = 21565824.

The previous prime is 56152981. The next prime is 56152991. The reversal of 56152990 is 9925165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56152991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65404 + ... + 66256.

It is an arithmetic number, because the mean of its divisors is an integer number (3285765).

Almost surely, 256152990 is an apocalyptic number.

56152990 is a deficient number, since it is larger than the sum of its proper divisors (48991490).

56152990 is a wasteful number, since it uses less digits than its factorization.

56152990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 56152990 is about 7493.5298758329. The cubic root of 56152990 is about 382.9343237376.

The spelling of 56152990 in words is "fifty-six million, one hundred fifty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 29 58 145 227 290 454 853 1135 1706 2270 4265 6583 8530 13166 24737 32915 49474 65830 123685 193631 247370 387262 968155 1936310 5615299 11230598 28076495 56152990