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86942886 = 2325157731
BaseRepresentation
bin1010010111010…
…10010010100110
320001121011012220
411023222102212
5134224133021
612343253210
72104000542
oct513522246
9201534186
1086942886
1145093528
122514a206
13150215c4
14b792a22
157975cc6
hex52ea4a6

86942886 has 16 divisors (see below), whose sum is σ = 174581568. Its totient is φ = 28865000.

The previous prime is 86942857. The next prime is 86942909. The reversal of 86942886 is 68824968.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 27360 + ... + 30371.

It is an arithmetic number, because the mean of its divisors is an integer number (10911348).

Almost surely, 286942886 is an apocalyptic number.

86942886 is an abundant number, since it is smaller than the sum of its proper divisors (87638682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86942886 is a wasteful number, since it uses less digits than its factorization.

86942886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57987.

The product of its digits is 1327104, while the sum is 51.

The square root of 86942886 is about 9324.3169186810. The cubic root of 86942886 is about 443.0077773978.

The spelling of 86942886 in words is "eighty-six million, nine hundred forty-two thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 251 502 753 1506 57731 115462 173193 346386 14490481 28980962 43471443 86942886