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86630884 = 2221657721
BaseRepresentation
bin1010010100111…
…10000111100100
320001000022020021
411022132013210
5134134142014
612332444524
72101231114
oct512360744
9201008207
1086630884
11449a007a
1225019744
1314c425a2
14b711044
157913624
hex529e1e4

86630884 has 6 divisors (see below), whose sum is σ = 151604054. Its totient is φ = 43315440.

The previous prime is 86630881. The next prime is 86630897. The reversal of 86630884 is 48803668.

It can be written as a sum of positive squares in only one way, i.e., 64352484 + 22278400 = 8022^2 + 4720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86630884.

It is not an unprimeable number, because it can be changed into a prime (86630881) 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 as a sum of consecutive naturals, namely, 10828857 + ... + 10828864.

Almost surely, 286630884 is an apocalyptic number.

It is an amenable number.

86630884 is a deficient number, since it is larger than the sum of its proper divisors (64973170).

86630884 is a wasteful number, since it uses less digits than its factorization.

86630884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21657725 (or 21657723 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 86630884 is about 9307.5713266136. The cubic root of 86630884 is about 442.4772184426.

The spelling of 86630884 in words is "eighty-six million, six hundred thirty thousand, eight hundred eighty-four".

Divisors: 1 2 4 21657721 43315442 86630884