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56230129 is a prime number
BaseRepresentation
bin1101011010000…
…0000011110001
310220210210020101
43112200003301
5103343331004
65325112401
71251643144
oct326400361
9126723211
1056230129
112981658a
12169b8701
13b85a087
14767a05b
154e0aba4
hex35a00f1

56230129 has 2 divisors, whose sum is σ = 56230130. Its totient is φ = 56230128.

The previous prime is 56230103. The next prime is 56230133. The reversal of 56230129 is 92103265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55845729 + 384400 = 7473^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56230129 is a prime.

It is a super-3 number, since 3×562301293 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56230097 and 56230106.

It is not a weakly prime, because it can be changed into another prime (56230199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28115064 + 28115065.

It is an arithmetic number, because the mean of its divisors is an integer number (28115065).

Almost surely, 256230129 is an apocalyptic number.

It is an amenable number.

56230129 is a deficient number, since it is larger than the sum of its proper divisors (1).

56230129 is an equidigital number, since it uses as much as digits as its factorization.

56230129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56230129 is about 7498.6751496514. The cubic root of 56230129 is about 383.1095928541.

It can be divided in two parts, 562301 and 29, that added together give a triangular number (562330 = T1060).

The spelling of 56230129 in words is "fifty-six million, two hundred thirty thousand, one hundred twenty-nine".