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83922720 = 2535724977
BaseRepresentation
bin1010000000010…
…00111100100000
312211220201022220
411000020330200
5132441011340
612154431040
72036221440
oct500107440
9184821286
1083922720
1143410422
1224132480
1314504a1b
14b208120
15757aed0
hex5008f20

83922720 has 96 divisors (see below), whose sum is σ = 302133888. Its totient is φ = 19181568.

The previous prime is 83922719. The next prime is 83922737. The reversal of 83922720 is 2722938.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9129 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (3147228).

Almost surely, 283922720 is an apocalyptic number.

83922720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83922720 is an abundant number, since it is smaller than the sum of its proper divisors (218211168).

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

83922720 is a wasteful number, since it uses less digits than its factorization.

83922720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25002 (or 24994 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83922720 is about 9160.9344501530. The cubic root of 83922720 is about 437.8175675272.

The spelling of 83922720 in words is "eighty-three million, nine hundred twenty-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 24977 49954 74931 99908 124885 149862 174839 199816 249770 299724 349678 374655 399632 499540 524517 599448 699356 749310 799264 874195 999080 1049034 1198896 1398712 1498620 1748390 1998160 2098068 2397792 2622585 2797424 2997240 3496780 3996320 4196136 5245170 5594848 5994480 6993560 8392272 10490340 11988960 13987120 16784544 20980680 27974240 41961360 83922720