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86220963 = 3317872
BaseRepresentation
bin1010010001110…
…10000010100011
320000020110221000
411020322002203
5134033032323
612320003043
72064603033
oct510720243
9200213830
1086220963
11447400a4
1224a60483
1314b2ab2a
14b6458c3
157881e43
hex523a0a3

86220963 has 12 divisors (see below), whose sum is σ = 127806280. Its totient is φ = 57448476.

The previous prime is 86220961. The next prime is 86220971. The reversal of 86220963 is 36902268.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 86220963 - 21 = 86220961 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47356 + ... + 49142.

Almost surely, 286220963 is an apocalyptic number.

86220963 is a deficient number, since it is larger than the sum of its proper divisors (41585317).

86220963 is an frugal number, since it uses more digits than its factorization.

86220963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 86220963 is about 9285.5243793768. The cubic root of 86220963 is about 441.7782085117.

The spelling of 86220963 in words is "eighty-six million, two hundred twenty thousand, nine hundred sixty-three".

Divisors: 1 3 9 27 1787 5361 16083 48249 3193369 9580107 28740321 86220963