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56900029 is a prime number
BaseRepresentation
bin1101100100001…
…1100110111101
310222001211011111
43121003212331
5104031300104
65351322021
71260433204
oct331034675
9128054144
1056900029
112a13391a
1217080311
13ba32c74
1477b223b
154ede404
hex36439bd

56900029 has 2 divisors, whose sum is σ = 56900030. Its totient is φ = 56900028.

The previous prime is 56900023. The next prime is 56900083. The reversal of 56900029 is 92000965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 26759929 = 5490^2 + 5173^2 .

It is a cyclic number.

It is not a de Polignac number, because 56900029 - 23 = 56900021 is a prime.

It is a super-2 number, since 2×569000292 = 6475226600401682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56900021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28450014 + 28450015.

It is an arithmetic number, because the mean of its divisors is an integer number (28450015).

Almost surely, 256900029 is an apocalyptic number.

It is an amenable number.

56900029 is a deficient number, since it is larger than the sum of its proper divisors (1).

56900029 is an equidigital number, since it uses as much as digits as its factorization.

56900029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 56900029 is about 7543.2107885170. The cubic root of 56900029 is about 384.6249881838.

The spelling of 56900029 in words is "fifty-six million, nine hundred thousand, twenty-nine".