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70409934 = 23271929411
BaseRepresentation
bin1000011001001…
…01111011001110
311220111012021100
410030211323032
5121011104214
610553043530
71513321530
oct414457316
9156435240
1070409934
1136821031
121b6b65a6
13117832aa
1494cb850
1562ac309
hex4325ece

70409934 has 48 divisors (see below), whose sum is σ = 183530880. Its totient is φ = 19057680.

The previous prime is 70409879. The next prime is 70409939. The reversal of 70409934 is 43990407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70409939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12312 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (3823560).

Almost surely, 270409934 is an apocalyptic number.

70409934 is an abundant number, since it is smaller than the sum of its proper divisors (113120946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70409934 is a wasteful number, since it uses less digits than its factorization.

70409934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29445 (or 29442 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70409934 is about 8391.0627455645. The cubic root of 70409934 is about 412.9314669938.

The spelling of 70409934 in words is "seventy million, four hundred nine thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 342 399 798 1197 2394 29411 58822 88233 176466 205877 264699 411754 529398 558809 617631 1117618 1235262 1676427 1852893 3352854 3705786 3911663 5029281 7823326 10058562 11734989 23469978 35204967 70409934