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70428995 = 5713154789
BaseRepresentation
bin1000011001010…
…10100101000011
311220112011102022
410030222211003
5121012211440
610553312055
71513431230
oct414524503
9156464368
1070428995
113683438a
121b70562b
131178bb80
1494d4787
1562b2cb5
hex432a943

70428995 has 16 divisors (see below), whose sum is σ = 104018880. Its totient is φ = 44578944.

The previous prime is 70428989. The next prime is 70429039. The reversal of 70428995 is 59982407.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70428995 - 214 = 70412611 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 76940 + ... + 77849.

It is an arithmetic number, because the mean of its divisors is an integer number (6501180).

Almost surely, 270428995 is an apocalyptic number.

70428995 is a deficient number, since it is larger than the sum of its proper divisors (33589885).

70428995 is a wasteful number, since it uses less digits than its factorization.

70428995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154814.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 70428995 is about 8392.1984604751. The cubic root of 70428995 is about 412.9687258298.

The spelling of 70428995 in words is "seventy million, four hundred twenty-eight thousand, nine hundred ninety-five".

Divisors: 1 5 7 13 35 65 91 455 154789 773945 1083523 2012257 5417615 10061285 14085799 70428995