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83140924 = 22372332411
BaseRepresentation
bin1001111010010…
…10000100111100
312210102222220111
410331022010330
5132241002144
612125555404
72026454236
oct475120474
9183388814
1083140924
1142a27009
1223a15b64
13142bcc19
14b083256
157474534
hex4f4a13c

83140924 has 24 divisors (see below), whose sum is σ = 150132528. Its totient is φ = 40256640.

The previous prime is 83140909. The next prime is 83140927. The reversal of 83140924 is 42904138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83140927) 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, 33279 + ... + 35689.

It is an arithmetic number, because the mean of its divisors is an integer number (6255522).

Almost surely, 283140924 is an apocalyptic number.

It is an amenable number.

83140924 is a deficient number, since it is larger than the sum of its proper divisors (66991604).

83140924 is a wasteful number, since it uses less digits than its factorization.

83140924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685 (or 2683 counting only the distinct ones).

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

The square root of 83140924 is about 9118.1645082769. The cubic root of 83140924 is about 436.4538032371.

The spelling of 83140924 in words is "eighty-three million, one hundred forty thousand, nine hundred twenty-four".

Divisors: 1 2 4 37 74 148 233 466 932 2411 4822 8621 9644 17242 34484 89207 178414 356828 561763 1123526 2247052 20785231 41570462 83140924