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86438801 = 110378367
BaseRepresentation
bin1010010011011…
…11001110010001
320000122112202002
411021233032101
5134112020201
612324403345
72066501111
oct511571621
9200575662
1086438801
1144879829
1224b46555
1314ba6027
14b6a1041
1578c676b
hex526f391

86438801 has 4 divisors (see below), whose sum is σ = 86518272. Its totient is φ = 86359332.

The previous prime is 86438791. The next prime is 86438827. The reversal of 86438801 is 10883468.

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 a de Polignac number, because none of the positive numbers 2k-86438801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86438831) 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, 38081 + ... + 40286.

It is an arithmetic number, because the mean of its divisors is an integer number (21629568).

Almost surely, 286438801 is an apocalyptic number.

It is an amenable number.

86438801 is a deficient number, since it is larger than the sum of its proper divisors (79471).

86438801 is a wasteful number, since it uses less digits than its factorization.

86438801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79470.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 86438801 is about 9297.2469581054. The cubic root of 86438801 is about 442.1499477597.

The spelling of 86438801 in words is "eighty-six million, four hundred thirty-eight thousand, eight hundred one".

Divisors: 1 1103 78367 86438801