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65706325 = 5213120063
BaseRepresentation
bin1111101010100…
…1100101010101
311120122020010121
43322221211111
5113310100300
610304151541
71425331426
oct372514525
9146566117
1065706325
11340a9153
121a0085b1
13107c73a9
148a2564d
155b7d81a
hex3ea9955

65706325 has 12 divisors (see below), whose sum is σ = 82101888. Its totient is φ = 52161200.

The previous prime is 65706307. The next prime is 65706337. The reversal of 65706325 is 52360756.

It is not a de Polignac number, because 65706325 - 27 = 65706197 is a prime.

It is a super-2 number, since 2×657063252 = 8634642290011250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6757 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (6841824).

Almost surely, 265706325 is an apocalyptic number.

It is an amenable number.

65706325 is a deficient number, since it is larger than the sum of its proper divisors (16395563).

65706325 is a wasteful number, since it uses less digits than its factorization.

65706325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204 (or 20199 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 65706325 is about 8105.9438068617. The cubic root of 65706325 is about 403.5237112470.

The spelling of 65706325 in words is "sixty-five million, seven hundred six thousand, three hundred twenty-five".

Divisors: 1 5 25 131 655 3275 20063 100315 501575 2628253 13141265 65706325