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83140492 = 2223903701
BaseRepresentation
bin1001111010010…
…01111110001100
312210102222022111
410331021332030
5132240443432
612125553404
72026453051
oct475117614
9183388274
1083140492
1142a26756
1223a15864
13142bc976
14b083028
157474347
hex4f49f8c

83140492 has 12 divisors (see below), whose sum is σ = 151821936. Its totient is φ = 39762800.

The previous prime is 83140483. The next prime is 83140493. The reversal of 83140492 is 29404138.

It is not an unprimeable number, because it can be changed into a prime (83140493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451759 + ... + 451942.

It is an arithmetic number, because the mean of its divisors is an integer number (12651828).

Almost surely, 283140492 is an apocalyptic number.

It is an amenable number.

83140492 is a deficient number, since it is larger than the sum of its proper divisors (68681444).

83140492 is a wasteful number, since it uses less digits than its factorization.

83140492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903728 (or 903726 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 83140492 is about 9118.1408192679. The cubic root of 83140492 is about 436.4530472982.

The spelling of 83140492 in words is "eighty-three million, one hundred forty thousand, four hundred ninety-two".

Divisors: 1 2 4 23 46 92 903701 1807402 3614804 20785123 41570246 83140492