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86386685 = 57111731297
BaseRepresentation
bin1010010011000…
…10011111111101
320000112220020212
411021202133331
5134103333220
612323322205
72066163140
oct511423775
9200486225
1086386685
1144843660
1224b20365
1314b883a8
14b68a057
1578b60c5
hex52627fd

86386685 has 32 divisors (see below), whose sum is σ = 130090752. Its totient is φ = 53498880.

The previous prime is 86386681. The next prime is 86386717. The reversal of 86386685 is 58668368.

It is not a de Polignac number, because 86386685 - 22 = 86386681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86386681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65957 + ... + 67253.

It is an arithmetic number, because the mean of its divisors is an integer number (4065336).

Almost surely, 286386685 is an apocalyptic number.

It is an amenable number.

86386685 is a deficient number, since it is larger than the sum of its proper divisors (43704067).

86386685 is a wasteful number, since it uses less digits than its factorization.

86386685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493.

The product of its digits is 1658880, while the sum is 50.

The square root of 86386685 is about 9294.4437703394. The cubic root of 86386685 is about 442.0610690038.

The spelling of 86386685 in words is "eighty-six million, three hundred eighty-six thousand, six hundred eighty-five".

Divisors: 1 5 7 11 35 55 77 173 385 865 1211 1297 1903 6055 6485 9079 9515 13321 14267 45395 66605 71335 99869 224381 499345 1121905 1570667 2468191 7853335 12340955 17277337 86386685