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86328893 = 731397829
BaseRepresentation
bin1010010010101…
…00011000111101
320000102221222102
411021110120331
5134100011033
612322154445
72065532510
oct511243075
9200387872
1086328893
11448041a2
1224ab2a25
1314b67cb1
14b672d77
1578a3de8
hex525463d

86328893 has 8 divisors (see below), whose sum is σ = 101844480. Its totient is φ = 71609040.

The previous prime is 86328889. The next prime is 86328899. The reversal of 86328893 is 39882368.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86328893 - 22 = 86328889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86328899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198698 + ... + 199131.

It is an arithmetic number, because the mean of its divisors is an integer number (12730560).

Almost surely, 286328893 is an apocalyptic number.

It is an amenable number.

86328893 is a deficient number, since it is larger than the sum of its proper divisors (15515587).

86328893 is a wasteful number, since it uses less digits than its factorization.

86328893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397867.

The product of its digits is 497664, while the sum is 47.

The square root of 86328893 is about 9291.3342959986. The cubic root of 86328893 is about 441.9624685753.

The spelling of 86328893 in words is "eighty-six million, three hundred twenty-eight thousand, eight hundred ninety-three".

Divisors: 1 7 31 217 397829 2784803 12332699 86328893