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86327869 = 127679747
BaseRepresentation
bin1010010010101…
…00001000111101
320000102220120111
411021110020331
5134044442434
612322150021
72065526515
oct511241075
9200386514
1086327869
1144803451
1224ab2311
1314b676a4
14b672845
1578a3964
hex525423d

86327869 has 4 divisors (see below), whose sum is σ = 87007744. Its totient is φ = 85647996.

The previous prime is 86327851. The next prime is 86327893. The reversal of 86327869 is 96872368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86327869 - 29 = 86327357 is a prime.

It is a super-2 number, since 2×863278692 = 14905001932162322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86327369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339747 + ... + 340000.

It is an arithmetic number, because the mean of its divisors is an integer number (21751936).

Almost surely, 286327869 is an apocalyptic number.

It is an amenable number.

86327869 is a deficient number, since it is larger than the sum of its proper divisors (679875).

86327869 is a wasteful number, since it uses less digits than its factorization.

86327869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679874.

The product of its digits is 870912, while the sum is 49.

The square root of 86327869 is about 9291.2791907250. The cubic root of 86327869 is about 441.9607211057.

The spelling of 86327869 in words is "eighty-six million, three hundred twenty-seven thousand, eight hundred sixty-nine".

Divisors: 1 127 679747 86327869