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715680065 = 5972515879
BaseRepresentation
bin101010101010000…
…110100101000001
31211212200022111002
4222222012211001
52431203230230
6155003301345
723510115542
oct5252064501
91755608432
10715680065
11337a8a031
1217b81a855
13b536c439
146b09a4c9
1542c6d545
hex2aa86941

715680065 has 16 divisors (see below), whose sum is σ = 871274880. Its totient is φ = 564288000.

The previous prime is 715680023. The next prime is 715680079. The reversal of 715680065 is 560086517.

It is a happy number.

It is not a de Polignac number, because 715680065 - 212 = 715675969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118796 + ... + 124674.

It is an arithmetic number, because the mean of its divisors is an integer number (54454680).

Almost surely, 2715680065 is an apocalyptic number.

It is an amenable number.

715680065 is a deficient number, since it is larger than the sum of its proper divisors (155594815).

715680065 is a wasteful number, since it uses less digits than its factorization.

715680065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 715680065 is about 26752.1973863830. The cubic root of 715680065 is about 894.4848173704.

The spelling of 715680065 in words is "seven hundred fifteen million, six hundred eighty thousand, sixty-five".

Divisors: 1 5 97 251 485 1255 5879 24347 29395 121735 570263 1475629 2851315 7378145 143136013 715680065