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86390834 = 2192273443
BaseRepresentation
bin1010010011000…
…11100000110010
320000120002221112
411021203200302
5134104001314
612323353322
72066211215
oct511434062
9200502845
1086390834
1144846792
1224b22842
1314b8a24a
14b68b77c
1578b743e
hex5263832

86390834 has 8 divisors (see below), whose sum is σ = 136406640. Its totient is φ = 40921956.

The previous prime is 86390833. The next prime is 86390849. The reversal of 86390834 is 43809368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86390791 and 86390800.

It is not an unprimeable number, because it can be changed into a prime (86390833) 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 3 ways as a sum of consecutive naturals, for example, 1136684 + ... + 1136759.

It is an arithmetic number, because the mean of its divisors is an integer number (17050830).

Almost surely, 286390834 is an apocalyptic number.

86390834 is a deficient number, since it is larger than the sum of its proper divisors (50015806).

86390834 is a wasteful number, since it uses less digits than its factorization.

86390834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273464.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 86390834 is about 9294.6669655238. Note that the first 3 decimals coincide. The cubic root of 86390834 is about 442.0681460281.

The spelling of 86390834 in words is "eighty-six million, three hundred ninety thousand, eight hundred thirty-four".

Divisors: 1 2 19 38 2273443 4546886 43195417 86390834