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84930399 = 3219496669
BaseRepresentation
bin1010000111111…
…10111101011111
312220210220121100
411003332331133
5133220233044
612232204143
72050616331
oct503767537
9186726540
1084930399
1143a39514
1224539653
1314798598
14b3cb451
1576c9869
hex50fef5f

84930399 has 12 divisors (see below), whose sum is σ = 129134200. Its totient is φ = 53640144.

The previous prime is 84930397. The next prime is 84930409. The reversal of 84930399 is 99303948.

It is not a de Polignac number, because 84930399 - 21 = 84930397 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 (84930397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248164 + ... + 248505.

Almost surely, 284930399 is an apocalyptic number.

84930399 is a deficient number, since it is larger than the sum of its proper divisors (44203801).

84930399 is a wasteful number, since it uses less digits than its factorization.

84930399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496694 (or 496691 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 84930399 is about 9215.7690400747. The cubic root of 84930399 is about 439.5629251344.

The spelling of 84930399 in words is "eighty-four million, nine hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 3 9 19 57 171 496669 1490007 4470021 9436711 28310133 84930399