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65707060 = 2253285353
BaseRepresentation
bin1111101010100…
…1110000110100
311120122021010211
43322221300310
5113310111220
610304155204
71425333526
oct372516064
9146567124
1065707060
11340a9761
121a008b04
13107c7823
148a25a16
155b7db5a
hex3ea9c34

65707060 has 12 divisors (see below), whose sum is σ = 137984868. Its totient is φ = 26282816.

The previous prime is 65707049. The next prime is 65707123. The reversal of 65707060 is 6070756.

It can be written as a sum of positive squares in 2 ways, for example, as 16679056 + 49028004 = 4084^2 + 7002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642657 + ... + 1642696.

It is an arithmetic number, because the mean of its divisors is an integer number (11498739).

Almost surely, 265707060 is an apocalyptic number.

It is an amenable number.

65707060 is an abundant number, since it is smaller than the sum of its proper divisors (72277808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65707060 is a wasteful number, since it uses less digits than its factorization.

65707060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285362 (or 3285360 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 65707060 is about 8105.9891438368. The cubic root of 65707060 is about 403.5252158653.

The spelling of 65707060 in words is "sixty-five million, seven hundred seven thousand, sixty".

Divisors: 1 2 4 5 10 20 3285353 6570706 13141412 16426765 32853530 65707060