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72575148 = 2236047929
BaseRepresentation
bin1000101001101…
…10100010101100
312001120012101110
410110312202230
5122034401043
611111312020
71540610232
oct424664254
9161505343
1072575148
1137a6a868
122037b610
1312060999
1498d2952
156588b33
hex45368ac

72575148 has 12 divisors (see below), whose sum is σ = 169342040. Its totient is φ = 24191712.

The previous prime is 72575147. The next prime is 72575149. The reversal of 72575148 is 84157527.

It is an interprime number because it is at equal distance from previous prime (72575147) and next prime (72575149).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (72575147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023953 + ... + 3023976.

Almost surely, 272575148 is an apocalyptic number.

It is an amenable number.

72575148 is an abundant number, since it is smaller than the sum of its proper divisors (96766892).

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

72575148 is a wasteful number, since it uses less digits than its factorization.

72575148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047936 (or 6047934 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 72575148 is about 8519.1048825566. The cubic root of 72575148 is about 417.1215651188.

The spelling of 72575148 in words is "seventy-two million, five hundred seventy-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 6047929 12095858 18143787 24191716 36287574 72575148