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56013701 is a prime number
BaseRepresentation
bin1101010110101…
…1001110000101
310220101210100112
43111223032011
5103314414301
65320322405
71250052152
oct325531605
9126353315
1056013701
1129688a17
1216913405
13b7b2703
147621229
154db69bb
hex356b385

56013701 has 2 divisors, whose sum is σ = 56013702. Its totient is φ = 56013700.

The previous prime is 56013679. The next prime is 56013709. The reversal of 56013701 is 10731065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 1623076 = 7375^2 + 1274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56013701 is a prime.

It is a super-3 number, since 3×560137013 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56013709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28006850 + 28006851.

It is an arithmetic number, because the mean of its divisors is an integer number (28006851).

Almost surely, 256013701 is an apocalyptic number.

It is an amenable number.

56013701 is a deficient number, since it is larger than the sum of its proper divisors (1).

56013701 is an equidigital number, since it uses as much as digits as its factorization.

56013701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 56013701 is about 7484.2301541308. The cubic root of 56013701 is about 382.6174352842.

Adding to 56013701 its reverse (10731065), we get a palindrome (66744766).

The spelling of 56013701 in words is "fifty-six million, thirteen thousand, seven hundred one".