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83952940 = 2254197647
BaseRepresentation
bin1010000000100…
…00010100101100
312211222020210011
411000100110230
5132442443230
612155223004
72036405521
oct500202454
9184866704
1083952940
11434310a5
1224147a64
13145156c6
14b215148
157584e2a
hex501052c

83952940 has 12 divisors (see below), whose sum is σ = 176301216. Its totient is φ = 33581168.

The previous prime is 83952937. The next prime is 83952971. The reversal of 83952940 is 4925938.

It is a happy number.

It is a super-2 number, since 2×839529402 = 14096192269287200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83952893 and 83952902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098804 + ... + 2098843.

It is an arithmetic number, because the mean of its divisors is an integer number (14691768).

Almost surely, 283952940 is an apocalyptic number.

It is an amenable number.

83952940 is an abundant number, since it is smaller than the sum of its proper divisors (92348276).

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

83952940 is a wasteful number, since it uses less digits than its factorization.

83952940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197656 (or 4197654 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 83952940 is about 9162.5836967528. The cubic root of 83952940 is about 437.8701129288.

The spelling of 83952940 in words is "eighty-three million, nine hundred fifty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 4197647 8395294 16790588 20988235 41976470 83952940