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70375913 is a prime number
BaseRepresentation
bin1000011000111…
…01100111101001
311220102110121022
410030131213221
5121004012123
610552222225
71513120406
oct414354751
9156373538
1070375913
11367a8513
121b69a975
131177096a
1494bd2ad
1562a21c8
hex431d9e9

70375913 has 2 divisors, whose sum is σ = 70375914. Its totient is φ = 70375912.

The previous prime is 70375871. The next prime is 70375927. The reversal of 70375913 is 31957307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 937024 = 8333^2 + 968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70375913 is a prime.

It is not a weakly prime, because it can be changed into another prime (70375973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35187956 + 35187957.

It is an arithmetic number, because the mean of its divisors is an integer number (35187957).

Almost surely, 270375913 is an apocalyptic number.

It is an amenable number.

70375913 is a deficient number, since it is larger than the sum of its proper divisors (1).

70375913 is an equidigital number, since it uses as much as digits as its factorization.

70375913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 70375913 is about 8389.0352842267. The cubic root of 70375913 is about 412.8649488957.

The spelling of 70375913 in words is "seventy million, three hundred seventy-five thousand, nine hundred thirteen".