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9130920 = 233576091
BaseRepresentation
bin100010110101…
…001110101000
3122011220021020
4202311032220
54314142140
6523412440
7140416521
oct42651650
918156236
109130920
115177217
123084120
131b79116
1412d9848
15c056d0
hex8b53a8

9130920 has 32 divisors (see below), whose sum is σ = 27393120. Its totient is φ = 2434880.

The previous prime is 9130903. The next prime is 9130937. The reversal of 9130920 is 290319.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9130903) and next prime (9130937).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37926 + ... + 38165.

It is an arithmetic number, because the mean of its divisors is an integer number (856035).

Almost surely, 29130920 is an apocalyptic number.

It is an amenable number.

9130920 is an abundant number, since it is smaller than the sum of its proper divisors (18262200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9130920 is a wasteful number, since it uses less digits than its factorization.

9130920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76105 (or 76101 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9130920 is about 3021.7412198929. The cubic root of 9130920 is about 209.0121403477.

The spelling of 9130920 in words is "nine million, one hundred thirty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 76091 152182 228273 304364 380455 456546 608728 760910 913092 1141365 1521820 1826184 2282730 3043640 4565460 9130920