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70642264 = 23711114679
BaseRepresentation
bin1000011010111…
…10101001011000
311220220222222011
410031132221120
5121041023024
611002035304
71515310060
oct415365130
9156828864
1070642264
113696a640
121b7a8b34
1311834c74
14954c3a0
156306094
hex435ea58

70642264 has 32 divisors (see below), whose sum is σ = 165139200. Its totient is φ = 27522720.

The previous prime is 70642217. The next prime is 70642267. The reversal of 70642264 is 46224607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70642267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56724 + ... + 57955.

It is an arithmetic number, because the mean of its divisors is an integer number (5160600).

Almost surely, 270642264 is an apocalyptic number.

It is an amenable number.

70642264 is an abundant number, since it is smaller than the sum of its proper divisors (94496936).

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

70642264 is a wasteful number, since it uses less digits than its factorization.

70642264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114703 (or 114699 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 70642264 is about 8404.8952402752. The cubic root of 70642264 is about 413.3851484354.

The spelling of 70642264 in words is "seventy million, six hundred forty-two thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 114679 229358 458716 802753 917432 1261469 1605506 2522938 3211012 5045876 6422024 8830283 10091752 17660566 35321132 70642264