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65960325 = 345232573
BaseRepresentation
bin1111101110011…
…1100110000101
311121010010120000
43323213212011
5113341212300
610313431513
71430440104
oct373474605
9147103500
1065960325
1134261a72
121a10b599
1310885ba2
148a9003b
155bcdc00
hex3ee7985

65960325 has 30 divisors (see below), whose sum is σ = 122185074. Its totient is φ = 35177760.

The previous prime is 65960311. The next prime is 65960327. The reversal of 65960325 is 52306956.

It can be written as a sum of positive squares in 3 ways, for example, as 641601 + 65318724 = 801^2 + 8082^2 .

It is not a de Polignac number, because 65960325 - 24 = 65960309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65960325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65960327) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14262 + ... + 18311.

Almost surely, 265960325 is an apocalyptic number.

It is an amenable number.

65960325 is a deficient number, since it is larger than the sum of its proper divisors (56224749).

65960325 is a wasteful number, since it uses less digits than its factorization.

65960325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32595 (or 32581 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 65960325 is about 8121.5962101055. The cubic root of 65960325 is about 404.0430079529.

The spelling of 65960325 in words is "sixty-five million, nine hundred sixty thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 32573 97719 162865 293157 488595 814325 879471 1465785 2442975 2638413 4397355 7328925 13192065 21986775 65960325