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86964870 = 2354017229
BaseRepresentation
bin1010010111011…
…11101010000110
320001122021101010
411023233222012
5134230333440
612343543050
72104121616
oct513575206
9201567333
1086964870
11450a8aa3
122515aa86
131502b605
14b79aa46
15797c580
hex52efa86

86964870 has 32 divisors (see below), whose sum is σ = 209265120. Its totient is φ = 23129600.

The previous prime is 86964869. The next prime is 86964883. The reversal of 86964870 is 7846968.

It is a super-2 number, since 2×869648702 = 15125777228233800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8416 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (6539535).

Almost surely, 286964870 is an apocalyptic number.

86964870 is an abundant number, since it is smaller than the sum of its proper divisors (122300250).

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

86964870 is a wasteful number, since it uses less digits than its factorization.

86964870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 86964870 is about 9325.4956972807. The cubic root of 86964870 is about 443.0451132577.

The spelling of 86964870 in words is "eighty-six million, nine hundred sixty-four thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 401 802 1203 2005 2406 4010 6015 7229 12030 14458 21687 36145 43374 72290 108435 216870 2898829 5797658 8696487 14494145 17392974 28988290 43482435 86964870