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84866313 = 3731130363
BaseRepresentation
bin1010000111011…
…11010100001001
312220200122200210
411003233110021
5133211210223
612230551333
72050231440
oct503572411
9186618623
1084866313
11439a5354
1224508549
131477536c
14b3b1d57
1576b5893
hex50ef509

84866313 has 16 divisors (see below), whose sum is σ = 133492736. Its totient is φ = 46930320.

The previous prime is 84866291. The next prime is 84866321. The reversal of 84866313 is 31366848.

It is not a de Polignac number, because 84866313 - 25 = 84866281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84866333) 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 15 ways as a sum of consecutive naturals, for example, 64531 + ... + 65832.

It is an arithmetic number, because the mean of its divisors is an integer number (8343296).

Almost surely, 284866313 is an apocalyptic number.

It is an amenable number.

84866313 is a deficient number, since it is larger than the sum of its proper divisors (48626423).

84866313 is a wasteful number, since it uses less digits than its factorization.

84866313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130404.

The product of its digits is 82944, while the sum is 39.

The square root of 84866313 is about 9212.2914087647. The cubic root of 84866313 is about 439.4523368633.

It can be divided in two parts, 848 and 66313, that added together give a triangular number (67161 = T366).

The spelling of 84866313 in words is "eighty-four million, eight hundred sixty-six thousand, three hundred thirteen".

Divisors: 1 3 7 21 31 93 217 651 130363 391089 912541 2737623 4041253 12123759 28288771 84866313