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86020704 = 2534711431
BaseRepresentation
bin1010010000010…
…01001001100000
312222212022020000
411020021021200
5134010130304
612311420000
72063110140
oct510111140
9188768200
1086020704
11446136a0
1224984600
1314a8a933
14b5d2920
157842939
hex5209260

86020704 has 240 divisors, whose sum is σ = 316141056. Its totient is φ = 22291200.

The previous prime is 86020687. The next prime is 86020709. The reversal of 86020704 is 40702068.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86020709) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 199369 + ... + 199799.

Almost surely, 286020704 is an apocalyptic number.

86020704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86020704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158070528).

86020704 is an abundant number, since it is smaller than the sum of its proper divisors (230120352).

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

86020704 is a wasteful number, since it uses less digits than its factorization.

86020704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 86020704 is about 9274.7347131872. The cubic root of 86020704 is about 441.4359149365.

The spelling of 86020704 in words is "eighty-six million, twenty thousand, seven hundred four".