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86388760 = 2352159719
BaseRepresentation
bin1010010011000…
…11000000011000
320000120000002201
411021203000120
5134103420020
612323335544
72066202163
oct511430030
9200500081
1086388760
1144845177
1224b215b4
1314b89313
14b68aada
1578b6a0a
hex5263018

86388760 has 16 divisors (see below), whose sum is σ = 194374800. Its totient is φ = 34555488.

The previous prime is 86388739. The next prime is 86388793. The reversal of 86388760 is 6788368.

It is a self number, because there is not a number n which added to its sum of digits gives 86388760.

It is a congruent number.

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, 1079820 + ... + 1079899.

It is an arithmetic number, because the mean of its divisors is an integer number (12148425).

Almost surely, 286388760 is an apocalyptic number.

It is an amenable number.

86388760 is an abundant number, since it is smaller than the sum of its proper divisors (107986040).

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

86388760 is a wasteful number, since it uses less digits than its factorization.

86388760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159730 (or 2159726 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 86388760 is about 9294.5553954990. Note that the first 3 decimals coincide. The cubic root of 86388760 is about 442.0646083971.

The spelling of 86388760 in words is "eighty-six million, three hundred eighty-eight thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2159719 4319438 8638876 10798595 17277752 21597190 43194380 86388760