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56984261 is a prime number
BaseRepresentation
bin1101100101100…
…0001011000101
310222020002201012
43121120023011
5104041444021
65353212005
71261233605
oct331301305
9128202635
1056984261
112a191134
1217101005
13ba623c9
1477d4c05
15500935b
hex36582c5

56984261 has 2 divisors, whose sum is σ = 56984262. Its totient is φ = 56984260.

The previous prime is 56984251. The next prime is 56984267. The reversal of 56984261 is 16248965.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 448900 = 7519^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 56984261 - 210 = 56983237 is a prime.

It is a super-2 number, since 2×569842612 = 6494412003432242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56984267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492130 + 28492131.

It is an arithmetic number, because the mean of its divisors is an integer number (28492131).

Almost surely, 256984261 is an apocalyptic number.

It is an amenable number.

56984261 is a deficient number, since it is larger than the sum of its proper divisors (1).

56984261 is an equidigital number, since it uses as much as digits as its factorization.

56984261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 56984261 is about 7548.7920225689. The cubic root of 56984261 is about 384.8146879024.

The spelling of 56984261 in words is "fifty-six million, nine hundred eighty-four thousand, two hundred sixty-one".