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56472319 is a prime number
BaseRepresentation
bin1101011101101…
…1001011111111
310221021002110101
43113123023333
5103424103234
65334221531
71254002221
oct327331377
9127232411
1056472319
1129971542
1216ab48a7
13b913397
147700411
154e57814
hex35db2ff

56472319 has 2 divisors, whose sum is σ = 56472320. Its totient is φ = 56472318.

The previous prime is 56472307. The next prime is 56472347. The reversal of 56472319 is 91327465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56472319 - 213 = 56464127 is a prime.

It is a super-2 number, since 2×564723192 = 6378245626475522, 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 (56472349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236159 + 28236160.

It is an arithmetic number, because the mean of its divisors is an integer number (28236160).

Almost surely, 256472319 is an apocalyptic number.

56472319 is a deficient number, since it is larger than the sum of its proper divisors (1).

56472319 is an equidigital number, since it uses as much as digits as its factorization.

56472319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 56472319 is about 7514.8066508727. The cubic root of 56472319 is about 383.6588382453.

The spelling of 56472319 in words is "fifty-six million, four hundred seventy-two thousand, three hundred nineteen".