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72025204 = 2266127241
BaseRepresentation
bin1000100101100…
…00010001110100
312000112021000011
410102300101310
5121414301304
611051430004
71533130006
oct422602164
9160467004
1072025204
1137724669
1220155304
1311bca584
1497cc376
1564cac04
hex44b0474

72025204 has 12 divisors (see below), whose sum is σ = 126239428. Its totient is φ = 35956800.

The previous prime is 72025189. The next prime is 72025207. The reversal of 72025204 is 40252027.

It can be written as a sum of positive squares in 2 ways, for example, as 67272804 + 4752400 = 8202^2 + 2180^2 .

It is a super-2 number, since 2×720252042 = 10375260022483232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72025207) 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, 10977 + ... + 16264.

Almost surely, 272025204 is an apocalyptic number.

It is an amenable number.

72025204 is a deficient number, since it is larger than the sum of its proper divisors (54214224).

72025204 is a wasteful number, since it uses less digits than its factorization.

72025204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27906 (or 27904 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 72025204 is about 8486.7664042319. The cubic root of 72025204 is about 416.0653019405.

The spelling of 72025204 in words is "seventy-two million, twenty-five thousand, two hundred four".

Divisors: 1 2 4 661 1322 2644 27241 54482 108964 18006301 36012602 72025204