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83074972 = 2236435701
BaseRepresentation
bin1001111001110…
…01111110011100
312210022122102211
410330321332130
5132231344342
612124330204
72026061041
oct474717634
9183278384
1083074972
1142991502
12239a3964
1314298bb6
14b0671c8
15745ec17
hex4f39f9c

83074972 has 12 divisors (see below), whose sum is σ = 145446616. Its totient is φ = 41518800.

The previous prime is 83074967. The next prime is 83074987. The reversal of 83074972 is 27947038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11722 + ... + 17422.

Almost surely, 283074972 is an apocalyptic number.

It is an amenable number.

83074972 is a deficient number, since it is larger than the sum of its proper divisors (62371644).

83074972 is a wasteful number, since it uses less digits than its factorization.

83074972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 83074972 is about 9114.5472734525. The cubic root of 83074972 is about 436.3383662397.

The spelling of 83074972 in words is "eighty-three million, seventy-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 3643 5701 7286 11402 14572 22804 20768743 41537486 83074972