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86220960 = 2535767383
BaseRepresentation
bin1010010001110…
…10000010100000
320000020110220220
411020322002200
5134033032320
612320003040
72064603030
oct510720240
9200213826
1086220960
11447400a1
1224a60480
1314b2ab27
14b6458c0
157881e40
hex523a0a0

86220960 has 192 divisors, whose sum is σ = 315850752. Its totient is φ = 19362816.

The previous prime is 86220941. The next prime is 86220961. The reversal of 86220960 is 6902268.

It is not an unprimeable number, because it can be changed into a prime (86220961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224929 + ... + 225311.

It is an arithmetic number, because the mean of its divisors is an integer number (1645056).

Almost surely, 286220960 is an apocalyptic number.

86220960 is a gapful number since it is divisible by the number (80) 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 86220960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157925376).

86220960 is an abundant number, since it is smaller than the sum of its proper divisors (229629792).

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

86220960 is a wasteful number, since it uses less digits than its factorization.

86220960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 86220960 is about 9285.5242178350. The cubic root of 86220960 is about 441.7782033879.

The spelling of 86220960 in words is "eighty-six million, two hundred twenty thousand, nine hundred sixty".