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72385625 = 541359151
BaseRepresentation
bin1000101000010…
…00010001011001
312001012120102002
410110020101121
5122012320000
611103250345
71536160544
oct424102131
9161176362
1072385625
1137950434
12202a99b5
1311cc5640
14988385b
15654c8d5
hex4508459

72385625 has 40 divisors (see below), whose sum is σ = 99718080. Its totient is φ = 52200000.

The previous prime is 72385591. The next prime is 72385627. The reversal of 72385625 is 52658327.

It is not a de Polignac number, because 72385625 - 224 = 55608409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72385627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 479300 + ... + 479450.

It is an arithmetic number, because the mean of its divisors is an integer number (2492952).

Almost surely, 272385625 is an apocalyptic number.

It is an amenable number.

72385625 is a deficient number, since it is larger than the sum of its proper divisors (27332455).

72385625 is a wasteful number, since it uses less digits than its factorization.

72385625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 228 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 72385625 is about 8507.9742007131. The cubic root of 72385625 is about 416.7581576869.

The spelling of 72385625 in words is "seventy-two million, three hundred eighty-five thousand, six hundred twenty-five".

Divisors: 1 5 13 25 59 65 125 151 295 325 625 755 767 1475 1625 1963 3775 3835 7375 8125 8909 9815 18875 19175 36875 44545 49075 94375 95875 115817 222725 245375 479375 579085 1113625 1226875 2895425 5568125 14477125 72385625