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72570104 = 239071263
BaseRepresentation
bin1000101001101…
…01010011111000
312001112221110122
410110311103320
5122034220404
611111232412
71540556435
oct424652370
9161487418
1072570104
1137a66aa2
1220378708
131205b5b9
1498d0b8c
1565873be
hex45354f8

72570104 has 8 divisors (see below), whose sum is σ = 136068960. Its totient is φ = 36285048.

The previous prime is 72570089. The next prime is 72570107. The reversal of 72570104 is 40107527.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72570107) 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 as a sum of consecutive naturals, namely, 4535624 + ... + 4535639.

It is an arithmetic number, because the mean of its divisors is an integer number (17008620).

Almost surely, 272570104 is an apocalyptic number.

It is an amenable number.

72570104 is a deficient number, since it is larger than the sum of its proper divisors (63498856).

72570104 is a wasteful number, since it uses less digits than its factorization.

72570104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071269 (or 9071265 counting only the distinct ones).

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

The square root of 72570104 is about 8518.8088369208. The cubic root of 72570104 is about 417.1119015265. Note that the first 3 decimals are identical.

The spelling of 72570104 in words is "seventy-two million, five hundred seventy thousand, one hundred four".

Divisors: 1 2 4 8 9071263 18142526 36285052 72570104