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86201964 = 22322394499
BaseRepresentation
bin1010010001101…
…01011001101100
320000012111212100
411020311121230
5134031430324
612315335100
72064463452
oct510653154
9200174770
1086201964
11447278a2
1224a51490
1314b222a4
14b63c9d2
15787b4c9
hex523566c

86201964 has 18 divisors (see below), whose sum is σ = 217899500. Its totient is φ = 28733976.

The previous prime is 86201963. The next prime is 86201987. The reversal of 86201964 is 46910268.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2394499 = 86201964 / (8 + 6 + 2 + 0 + 1 + 9 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (86201963) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1197214 + ... + 1197285.

Almost surely, 286201964 is an apocalyptic number.

It is an amenable number.

86201964 is an abundant number, since it is smaller than the sum of its proper divisors (131697536).

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

86201964 is a wasteful number, since it uses less digits than its factorization.

86201964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394509 (or 2394504 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86201964 is about 9284.5012790133. The cubic root of 86201964 is about 441.7457571585.

The spelling of 86201964 in words is "eighty-six million, two hundred one thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 2394499 4788998 7183497 9577996 14366994 21550491 28733988 43100982 86201964