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86764481 = 1710747699
BaseRepresentation
bin1010010101111…
…10101111000001
320001021002111022
411022332233001
5134202430411
612335355225
72102325446
oct512765701
9201232438
1086764481
1144a81491
1225082b15
1314c8b33b
14b7479cd
15793cedb
hex52bebc1

86764481 has 8 divisors (see below), whose sum is σ = 92728800. Its totient is φ = 80895808.

The previous prime is 86764459. The next prime is 86764499. The reversal of 86764481 is 18446768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86764481 - 214 = 86748097 is a prime.

It is a super-2 number, since 2×867644812 = 15056150326398722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86764081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22031 + ... + 25668.

It is an arithmetic number, because the mean of its divisors is an integer number (11591100).

Almost surely, 286764481 is an apocalyptic number.

It is an amenable number.

86764481 is a deficient number, since it is larger than the sum of its proper divisors (5964319).

86764481 is a wasteful number, since it uses less digits than its factorization.

86764481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47823.

The product of its digits is 258048, while the sum is 44.

The square root of 86764481 is about 9314.7453534705. The cubic root of 86764481 is about 442.7045556425.

The spelling of 86764481 in words is "eighty-six million, seven hundred sixty-four thousand, four hundred eighty-one".

Divisors: 1 17 107 1819 47699 810883 5103793 86764481