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290572268 = 22711391837
BaseRepresentation
bin10001010100011…
…100011111101100
3202020202121012212
4101110130133230
51043341303033
644455545552
710125552320
oct2124343754
9666677185
10290572268
1113a025278
128138b2b8
134827986c
142a83b980
151a79a748
hex1151c7ec

290572268 has 24 divisors (see below), whose sum is σ = 586293792. Its totient is φ = 123427584.

The previous prime is 290572259. The next prime is 290572291. The reversal of 290572268 is 862275092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42755 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (24428908).

Almost surely, 2290572268 is an apocalyptic number.

290572268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

290572268 is an abundant number, since it is smaller than the sum of its proper divisors (295721524).

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

290572268 is a wasteful number, since it uses less digits than its factorization.

290572268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91961 (or 91959 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 290572268 is about 17046.1804519370. The cubic root of 290572268 is about 662.3456998195.

The spelling of 290572268 in words is "two hundred ninety million, five hundred seventy-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 91837 183674 367348 642859 1285718 2571436 10377581 20755162 41510324 72643067 145286134 290572268