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86956960 = 2551015381
BaseRepresentation
bin1010010111011…
…01101110100000
320001121212112011
411023231232200
5134230110320
612343442304
72104056556
oct513555640
9201555464
1086956960
11450a3062
1225156394
1315027b2c
14b797bd6
15797a05a
hex52edba0

86956960 has 48 divisors (see below), whose sum is σ = 207508392. Its totient is φ = 34432000.

The previous prime is 86956949. The next prime is 86956963. The reversal of 86956960 is 6965968.

It can be written as a sum of positive squares in 4 ways, for example, as 81216144 + 5740816 = 9012^2 + 2396^2 .

It is not an unprimeable number, because it can be changed into a prime (86956963) 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, 13470 + ... + 18850.

Almost surely, 286956960 is an apocalyptic number.

86956960 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 86956960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103754196).

86956960 is an abundant number, since it is smaller than the sum of its proper divisors (120551432).

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

86956960 is a wasteful number, since it uses less digits than its factorization.

86956960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 86956960 is about 9325.0715814947. The cubic root of 86956960 is about 443.0316802738.

The spelling of 86956960 in words is "eighty-six million, nine hundred fifty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 101 160 202 404 505 808 1010 1616 2020 3232 4040 5381 8080 10762 16160 21524 26905 43048 53810 86096 107620 172192 215240 430480 543481 860960 1086962 2173924 2717405 4347848 5434810 8695696 10869620 17391392 21739240 43478480 86956960