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83285844 = 2238977983
BaseRepresentation
bin1001111011011…
…01011101010100
312210201100200220
410331231131110
5132310121334
612133034340
72030626605
oct475553524
9183640626
1083285844
1143015984
1223a859b0
1314340b85
14b0bddac
1574a2449
hex4f6d754

83285844 has 24 divisors (see below), whose sum is σ = 196519680. Its totient is φ = 27449664.

The previous prime is 83285827. The next prime is 83285893. The reversal of 83285844 is 44858238.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 83285796 and 83285805.

It is a congruent number.

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, 37924 + ... + 40059.

It is an arithmetic number, because the mean of its divisors is an integer number (8188320).

Almost surely, 283285844 is an apocalyptic number.

It is an amenable number.

83285844 is an abundant number, since it is smaller than the sum of its proper divisors (113233836).

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

83285844 is a wasteful number, since it uses less digits than its factorization.

83285844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78079 (or 78077 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 83285844 is about 9126.1078231632. The cubic root of 83285844 is about 436.7072450943.

The spelling of 83285844 in words is "eighty-three million, two hundred eighty-five thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 77983 155966 233949 311932 467898 935796 6940487 13880974 20821461 27761948 41642922 83285844