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84682040 = 2352117051
BaseRepresentation
bin1010000110000…
…10010100111000
312220100021220212
411003002110320
5133134311130
612223010252
72045533262
oct503022470
9186307825
1084682040
1143889963
1224439988
131470c521
14b364b32
15767ae95
hex50c2538

84682040 has 16 divisors (see below), whose sum is σ = 190534680. Its totient is φ = 33872800.

The previous prime is 84682033. The next prime is 84682043. The reversal of 84682040 is 4028648.

It is a junction number, because it is equal to n+sod(n) for n = 84681988 and 84682006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84682043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058486 + ... + 1058565.

Almost surely, 284682040 is an apocalyptic number.

It is an amenable number.

84682040 is an abundant number, since it is smaller than the sum of its proper divisors (105852640).

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

84682040 is a wasteful number, since it uses less digits than its factorization.

84682040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117062 (or 2117058 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 84682040 is about 9202.2844989709. The cubic root of 84682040 is about 439.1340406342.

The spelling of 84682040 in words is "eighty-four million, six hundred eighty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2117051 4234102 8468204 10585255 16936408 21170510 42341020 84682040