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70293992 = 23431271609
BaseRepresentation
bin1000011000010…
…01100111101000
311220021022020012
410030021213220
5120443401432
610550351052
71512326516
oct414114750
9156238205
1070293992
1136751a0a
121b65b488
13117425a2
14949b4b6
156287cb2
hex43099e8

70293992 has 32 divisors (see below), whose sum is σ = 136012800. Its totient is φ = 34038144.

The previous prime is 70293961. The next prime is 70294001. The reversal of 70293992 is 29939207.

It is a super-2 number, since 2×702939922 = 9882490622592128, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 42884 + ... + 44492.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 270293992 is an apocalyptic number.

It is an amenable number.

70293992 is a deficient number, since it is larger than the sum of its proper divisors (65718808).

70293992 is a wasteful number, since it uses less digits than its factorization.

70293992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 70293992 is about 8384.1512390939. The cubic root of 70293992 is about 412.7046883741.

The spelling of 70293992 in words is "seventy million, two hundred ninety-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 43 86 127 172 254 344 508 1016 1609 3218 5461 6436 10922 12872 21844 43688 69187 138374 204343 276748 408686 553496 817372 1634744 8786749 17573498 35146996 70293992