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70358129 is a prime number
BaseRepresentation
bin1000011000110…
…01010001110001
311220101120012122
410030121101301
5121002430004
610552004025
71513014512
oct414312161
9156346178
1070358129
1136796116
121b690615
131176583a
1494b6a09
15629bcbe
hex4319471

70358129 has 2 divisors, whose sum is σ = 70358130. Its totient is φ = 70358128.

The previous prime is 70358069. The next prime is 70358143. The reversal of 70358129 is 92185307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69639025 + 719104 = 8345^2 + 848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70358129 is a prime.

It is not a weakly prime, because it can be changed into another prime (70358329) 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, 35179064 + 35179065.

It is an arithmetic number, because the mean of its divisors is an integer number (35179065).

Almost surely, 270358129 is an apocalyptic number.

It is an amenable number.

70358129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70358129 is an equidigital number, since it uses as much as digits as its factorization.

70358129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 70358129 is about 8387.9752622430. The cubic root of 70358129 is about 412.8301689618.

The spelling of 70358129 in words is "seventy million, three hundred fifty-eight thousand, one hundred twenty-nine".