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83974772 = 2272999099
BaseRepresentation
bin1010000000101…
…01101001110100
312212000100201202
411000111221310
5132444143042
612155512032
72036526260
oct500255164
9185010652
1083974772
1143446542
1224158618
131452261b
14b21d0a0
15758b632
hex5015a74

83974772 has 12 divisors (see below), whose sum is σ = 167949600. Its totient is φ = 35989176.

The previous prime is 83974757. The next prime is 83974783. The reversal of 83974772 is 27747938.

83974772 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499522 + ... + 1499577.

It is an arithmetic number, because the mean of its divisors is an integer number (13995800).

Almost surely, 283974772 is an apocalyptic number.

It is an amenable number.

83974772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83974772 is a wasteful number, since it uses less digits than its factorization.

83974772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999110 (or 2999108 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 83974772 is about 9163.7749863252. The cubic root of 83974772 is about 437.9080657461.

The spelling of 83974772 in words is "eighty-three million, nine hundred seventy-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 2999099 5998198 11996396 20993693 41987386 83974772