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72570014 = 21123143419
BaseRepresentation
bin1000101001101…
…01010010011110
312001112221100022
410110311102132
5122034220024
611111232142
71540556246
oct424652236
9161487308
1072570014
1137a66a20
1220378652
131205b54a
1498d0b26
15658735e
hex453549e

72570014 has 16 divisors (see below), whose sum is σ = 123914880. Its totient is φ = 31551960.

The previous prime is 72570011. The next prime is 72570067. The reversal of 72570014 is 41007527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72570011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71204 + ... + 72215.

It is an arithmetic number, because the mean of its divisors is an integer number (7744680).

Almost surely, 272570014 is an apocalyptic number.

72570014 is a deficient number, since it is larger than the sum of its proper divisors (51344866).

72570014 is a wasteful number, since it uses less digits than its factorization.

72570014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143455.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 72570014 is about 8518.8035544905. The cubic root of 72570014 is about 417.1117290952. Note that the first 3 decimals are identical.

The spelling of 72570014 in words is "seventy-two million, five hundred seventy thousand, fourteen".

Divisors: 1 2 11 22 23 46 253 506 143419 286838 1577609 3155218 3298637 6597274 36285007 72570014