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561525713 = 7413919381
BaseRepresentation
bin100001011110000…
…011001111010001
31110010121110110122
4201132003033101
52122222310323
6131415240025
716625614130
oct4136031721
91403543418
10561525713
11268a6a641
12138079015
138c447648
145480d917
153446cec8
hex217833d1

561525713 has 8 divisors (see below), whose sum is σ = 641931840. Its totient is φ = 481166640.

The previous prime is 561525697. The next prime is 561525737. The reversal of 561525713 is 317525165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561525713 - 24 = 561525697 is a prime.

It is a super-2 number, since 2×5615257132 = 630622252720316738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561525743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19283 + ... + 38663.

It is an arithmetic number, because the mean of its divisors is an integer number (80241480).

Almost surely, 2561525713 is an apocalyptic number.

It is an amenable number.

561525713 is a deficient number, since it is larger than the sum of its proper divisors (80406127).

561525713 is a wasteful number, since it uses less digits than its factorization.

561525713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23527.

The product of its digits is 31500, while the sum is 35.

The square root of 561525713 is about 23696.5337760610. The cubic root of 561525713 is about 825.0049405275.

The spelling of 561525713 in words is "five hundred sixty-one million, five hundred twenty-five thousand, seven hundred thirteen".

Divisors: 1 7 4139 19381 28973 135667 80217959 561525713