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86846961 = 328948987
BaseRepresentation
bin1010010110100…
…10110111110001
320001102021122010
411023102313301
5134213100321
612341233133
72103121065
oct513226761
9201367563
1086846961
1145028453
12251027a9
1314cb9a46
14b769aa5
157957676
hex52d2df1

86846961 has 4 divisors (see below), whose sum is σ = 115795952. Its totient is φ = 57897972.

The previous prime is 86846957. The next prime is 86846989. The reversal of 86846961 is 16964868.

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 not a de Polignac number, because 86846961 - 22 = 86846957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86846961.

It is not an unprimeable number, because it can be changed into a prime (86846951) 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, 14474491 + ... + 14474496.

It is an arithmetic number, because the mean of its divisors is an integer number (28948988).

Almost surely, 286846961 is an apocalyptic number.

It is an amenable number.

86846961 is a deficient number, since it is larger than the sum of its proper divisors (28948991).

86846961 is a wasteful number, since it uses less digits than its factorization.

86846961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28948990.

The product of its digits is 497664, while the sum is 48.

The square root of 86846961 is about 9319.1716906601. The cubic root of 86846961 is about 442.8447923963.

The spelling of 86846961 in words is "eighty-six million, eight hundred forty-six thousand, nine hundred sixty-one".

Divisors: 1 3 28948987 86846961