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290814925 = 5211632597
BaseRepresentation
bin10001010101010…
…111101111001101
3202021012221002011
4101111113233031
51043422034200
644505101221
710130612632
oct2125275715
9667187064
10290814925
1113a180615
1281487811
134833314b
142a8a2189
151a7e75ba
hex11557bcd

290814925 has 6 divisors (see below), whose sum is σ = 360610538. Its totient is φ = 232651920.

The previous prime is 290814919. The next prime is 290814949. The reversal of 290814925 is 529418092.

It can be written as a sum of positive squares in 3 ways, for example, as 35390601 + 255424324 = 5949^2 + 15982^2 .

It is not a de Polignac number, because 290814925 - 23 = 290814917 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5816274 + ... + 5816323.

Almost surely, 2290814925 is an apocalyptic number.

290814925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290814925 is a deficient number, since it is larger than the sum of its proper divisors (69795613).

290814925 is a wasteful number, since it uses less digits than its factorization.

290814925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632607 (or 11632602 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 290814925 is about 17053.2966021236. The cubic root of 290814925 is about 662.5300235593.

The spelling of 290814925 in words is "two hundred ninety million, eight hundred fourteen thousand, nine hundred twenty-five".

Divisors: 1 5 25 11632597 58162985 290814925