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290452953 = 3713831093
BaseRepresentation
bin10001010011111…
…111010111011001
3202020112112112210
4101103333113121
51043323443303
644453225333
710124544420
oct2123772731
9666475483
10290452953
11139a5366a
1281332249
134823746b
142a80a2b7
151a775203
hex114ff5d9

290452953 has 8 divisors (see below), whose sum is σ = 442595008. Its totient is φ = 165973104.

The previous prime is 290452949. The next prime is 290452961. The reversal of 290452953 is 359254092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 290452953 - 22 = 290452949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (290452963) 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, 6915526 + ... + 6915567.

It is an arithmetic number, because the mean of its divisors is an integer number (55324376).

Almost surely, 2290452953 is an apocalyptic number.

It is an amenable number.

290452953 is a deficient number, since it is larger than the sum of its proper divisors (152142055).

290452953 is a wasteful number, since it uses less digits than its factorization.

290452953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831103.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 290452953 is about 17042.6803349708. The cubic root of 290452953 is about 662.2550297807.

The spelling of 290452953 in words is "two hundred ninety million, four hundred fifty-two thousand, nine hundred fifty-three".

Divisors: 1 3 7 21 13831093 41493279 96817651 290452953