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65710045 = 513142009
BaseRepresentation
bin1111101010101…
…0011111011101
311120122102020101
43322222133131
5113310210140
610304221101
71425345322
oct372523735
9146572211
1065710045
1134100a25
121a00a791
13107c8cab
148a26b49
155b7e99a
hex3eaa7dd

65710045 has 4 divisors (see below), whose sum is σ = 78852060. Its totient is φ = 52568032.

The previous prime is 65710033. The next prime is 65710061. The reversal of 65710045 is 54001756.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24068836 + 41641209 = 4906^2 + 6453^2 .

It is a cyclic number.

It is not a de Polignac number, because 65710045 - 25 = 65710013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65709995 and 65710022.

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, 6571000 + ... + 6571009.

It is an arithmetic number, because the mean of its divisors is an integer number (19713015).

Almost surely, 265710045 is an apocalyptic number.

It is an amenable number.

65710045 is a deficient number, since it is larger than the sum of its proper divisors (13142015).

65710045 is a wasteful number, since it uses less digits than its factorization.

65710045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13142014.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65710045 is about 8106.1732648643. The cubic root of 65710045 is about 403.5313263428.

The spelling of 65710045 in words is "sixty-five million, seven hundred ten thousand, forty-five".

Divisors: 1 5 13142009 65710045