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84928207 = 7135317609
BaseRepresentation
bin1010000111111…
…10011011001111
312220210210121011
411003332123033
5133220200312
612232150051
72050610050
oct503763317
9186723534
1084928207
1143a37901
1224538327
13147975a0
14b3ca727
1576c8da7
hex50fe6cf

84928207 has 16 divisors (see below), whose sum is σ = 106505280. Its totient is φ = 65924352.

The previous prime is 84928169. The next prime is 84928219. The reversal of 84928207 is 70282948.

It is not a de Polignac number, because 84928207 - 211 = 84926159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84928207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84928307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (6656580).

Almost surely, 284928207 is an apocalyptic number.

84928207 is a deficient number, since it is larger than the sum of its proper divisors (21577073).

84928207 is a wasteful number, since it uses less digits than its factorization.

84928207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17682.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 84928207 is about 9215.6501127159. The cubic root of 84928207 is about 439.5591434879.

The spelling of 84928207 in words is "eighty-four million, nine hundred twenty-eight thousand, two hundred seven".

Divisors: 1 7 13 53 91 371 689 4823 17609 123263 228917 933277 1602419 6532939 12132601 84928207