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86438382 = 2371202907
BaseRepresentation
bin1010010011011…
…11000111101110
320000122112011120
411021233013232
5134112012012
612324401410
72066466642
oct511570756
9200575146
1086438382
1144879488
1224b46266
1314ba5a94
14b6a0c22
1578c658c
hex526f1ee

86438382 has 16 divisors (see below), whose sum is σ = 175312512. Its totient is φ = 28406840.

The previous prime is 86438381. The next prime is 86438399. The reversal of 86438382 is 28383468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86438381) 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, 101028 + ... + 101879.

It is an arithmetic number, because the mean of its divisors is an integer number (10957032).

Almost surely, 286438382 is an apocalyptic number.

86438382 is an abundant number, since it is smaller than the sum of its proper divisors (88874130).

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

86438382 is a wasteful number, since it uses less digits than its factorization.

86438382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202983.

The product of its digits is 221184, while the sum is 42.

The square root of 86438382 is about 9297.2244245258. The cubic root of 86438382 is about 442.1492333386.

The spelling of 86438382 in words is "eighty-six million, four hundred thirty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 71 142 213 426 202907 405814 608721 1217442 14406397 28812794 43219191 86438382