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290150916 = 223112975797
BaseRepresentation
bin10001010010110…
…101101000000100
3202012222012020020
4101102311220010
51043234312131
644442535140
710122146016
oct2122655004
9665865206
10290150916
11139867750
12812074b0
134815cb43
142a76c1b6
151a715996
hex114b5a04

290150916 has 48 divisors (see below), whose sum is σ = 764043840. Its totient is φ = 84891520.

The previous prime is 290150909. The next prime is 290150969. The reversal of 290150916 is 619051092.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 34071 + ... + 41726.

It is an arithmetic number, because the mean of its divisors is an integer number (15917580).

Almost surely, 2290150916 is an apocalyptic number.

It is an amenable number.

290150916 is an abundant number, since it is smaller than the sum of its proper divisors (473892924).

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

290150916 is a wasteful number, since it uses less digits than its factorization.

290150916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75844 (or 75842 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 290150916 is about 17033.8168359296. The cubic root of 290150916 is about 662.0253943155.

The spelling of 290150916 in words is "two hundred ninety million, one hundred fifty thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 11 12 22 29 33 44 58 66 87 116 132 174 319 348 638 957 1276 1914 3828 75797 151594 227391 303188 454782 833767 909564 1667534 2198113 2501301 3335068 4396226 5002602 6594339 8792452 10005204 13188678 24179243 26377356 48358486 72537729 96716972 145075458 290150916