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83328144 = 2433746919
BaseRepresentation
bin1001111011101…
…11110010010000
312210210111201120
410331313302100
5132313000034
612134002240
72031164124
oct475676220
9183714646
1083328144
1143044739
1223aa6380
13143571c3
14b0d1584
1574aec49
hex4f77c90

83328144 has 40 divisors (see below), whose sum is σ = 221087040. Its totient is φ = 27024768.

The previous prime is 83328127. The next prime is 83328151. The reversal of 83328144 is 44182338.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21684 + ... + 25235.

It is an arithmetic number, because the mean of its divisors is an integer number (5527176).

Almost surely, 283328144 is an apocalyptic number.

It is an amenable number.

83328144 is an abundant number, since it is smaller than the sum of its proper divisors (137758896).

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

83328144 is a wasteful number, since it uses less digits than its factorization.

83328144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46967 (or 46961 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 83328144 is about 9128.4250558352. The cubic root of 83328144 is about 436.7811655795.

The spelling of 83328144 in words is "eighty-three million, three hundred twenty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 46919 93838 140757 187676 281514 375352 563028 750704 1126056 1736003 2252112 3472006 5208009 6944012 10416018 13888024 20832036 27776048 41664072 83328144