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86464880 = 2451080811
BaseRepresentation
bin1010010011101…
…01100101110000
320000200212111222
411021311211300
5134113334010
612325124212
72066640125
oct511654560
9200625458
1086464880
1144897387
1224b59668
1314bb4b68
14b6aa74c
1578ce355
hex5275970

86464880 has 20 divisors (see below), whose sum is σ = 201031032. Its totient is φ = 34585920.

The previous prime is 86464867. The next prime is 86464891. The reversal of 86464880 is 8846468.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540326 + ... + 540485.

Almost surely, 286464880 is an apocalyptic number.

86464880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86464880 is an abundant number, since it is smaller than the sum of its proper divisors (114566152).

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

86464880 is a wasteful number, since it uses less digits than its factorization.

86464880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080824 (or 1080818 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 86464880 is about 9298.6493642894. The cubic root of 86464880 is about 442.1944095405.

The spelling of 86464880 in words is "eighty-six million, four hundred sixty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1080811 2161622 4323244 5404055 8646488 10808110 17292976 21616220 43232440 86464880