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65125072 = 246779769
BaseRepresentation
bin1111100001101…
…1101011010000
311112112200210201
43320123223100
5113133000242
610243504544
71420361005
oct370335320
9145480721
1065125072
1133841481
1219988154
131065295c
1489138ac
155ab64b7
hex3e1bad0

65125072 has 40 divisors (see below), whose sum is σ = 129852800. Its totient is φ = 31629312.

The previous prime is 65125061. The next prime is 65125087. The reversal of 65125072 is 27052156.

It is a self number, because there is not a number n which added to its sum of digits gives 65125072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84304 + ... + 85072.

It is an arithmetic number, because the mean of its divisors is an integer number (3246320).

Almost surely, 265125072 is an apocalyptic number.

It is an amenable number.

65125072 is a deficient number, since it is larger than the sum of its proper divisors (64727728).

65125072 is a wasteful number, since it uses less digits than its factorization.

65125072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65125072 is about 8070.0106567464. The cubic root of 65125072 is about 402.3302979162.

The spelling of 65125072 in words is "sixty-five million, one hundred twenty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 67 79 134 158 268 316 536 632 769 1072 1264 1538 3076 5293 6152 10586 12304 21172 42344 51523 60751 84688 103046 121502 206092 243004 412184 486008 824368 972016 4070317 8140634 16281268 32562536 65125072