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86806804 = 22714920807
BaseRepresentation
bin1010010110010…
…01000100010100
320001100020112211
411023021010110
5134210304204
612340323204
72102563030
oct513110424
9201306484
1086806804
1145000267
12250a3504
1314ca4696
14b7591c0
15794a804
hex52c9114

86806804 has 24 divisors (see below), whose sum is σ = 174787200. Its totient is φ = 36951456.

The previous prime is 86806787. The next prime is 86806813. The reversal of 86806804 is 40860868.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 6232 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (7282800).

Almost surely, 286806804 is an apocalyptic number.

It is an amenable number.

86806804 is an abundant number, since it is smaller than the sum of its proper divisors (87980396).

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

86806804 is a wasteful number, since it uses less digits than its factorization.

86806804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967 (or 20965 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 86806804 is about 9317.0169045677. The cubic root of 86806804 is about 442.7765264882.

The spelling of 86806804 in words is "eighty-six million, eight hundred six thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 20807 41614 83228 145649 291298 582596 3100243 6200486 12400972 21701701 43403402 86806804