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84920103 = 333145189
BaseRepresentation
bin1010000111111…
…00011100100111
312220210101111000
411003330130213
5133214420403
612232044343
72050544322
oct503743447
9186711430
1084920103
1143a31804
12245336b3
13147939a8
14b3c77b9
1576c67a3
hex50fc727

84920103 has 8 divisors (see below), whose sum is σ = 125807600. Its totient is φ = 56613384.

The previous prime is 84920053. The next prime is 84920107. The reversal of 84920103 is 30102948.

It is not a de Polignac number, because 84920103 - 214 = 84903719 is a prime.

It is a super-2 number, since 2×849201032 = 14422847787061218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3145189 = 84920103 / (8 + 4 + 9 + 2 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84920107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572568 + ... + 1572621.

It is an arithmetic number, because the mean of its divisors is an integer number (15725950).

Almost surely, 284920103 is an apocalyptic number.

84920103 is a deficient number, since it is larger than the sum of its proper divisors (40887497).

84920103 is a wasteful number, since it uses less digits than its factorization.

84920103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145198 (or 3145192 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 84920103 is about 9215.2104153948. The cubic root of 84920103 is about 439.5451618724.

The spelling of 84920103 in words is "eighty-four million, nine hundred twenty thousand, one hundred three".

Divisors: 1 3 9 27 3145189 9435567 28306701 84920103