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64376401 is a prime number
BaseRepresentation
bin1111010110010…
…0111001010001
311111010122211011
43311210321101
5112440021101
610215450521
71411122205
oct365447121
9144118734
1064376401
113337aa41
1219686a41
131044cc5b
14879ab05
1559b9751
hex3d64e51

64376401 has 2 divisors, whose sum is σ = 64376402. Its totient is φ = 64376400.

The previous prime is 64376387. The next prime is 64376441. The reversal of 64376401 is 10467346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 14814801 = 7040^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 64376401 - 211 = 64374353 is a prime.

It is not a weakly prime, because it can be changed into another prime (64376441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32188200 + 32188201.

It is an arithmetic number, because the mean of its divisors is an integer number (32188201).

Almost surely, 264376401 is an apocalyptic number.

It is an amenable number.

64376401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64376401 is an equidigital number, since it uses as much as digits as its factorization.

64376401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 64376401 is about 8023.4905745567. The cubic root of 64376401 is about 400.7826364518.

The spelling of 64376401 in words is "sixty-four million, three hundred seventy-six thousand, four hundred one".