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290832025 = 521137101283
BaseRepresentation
bin10001010101011…
…011111010011001
3202021020210112111
4101111123322121
51043423111100
644505312321
710131013531
oct2125337231
9667223474
10290832025
1113a192450
12814956a1
134833ab73
142a8a84c1
151a7ec6ba
hex1155be99

290832025 has 48 divisors (see below), whose sum is σ = 409491648. Its totient is φ = 203040000.

The previous prime is 290832023. The next prime is 290832029. The reversal of 290832025 is 520238092.

It is not a de Polignac number, because 290832025 - 21 = 290832023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290832023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1027534 + ... + 1027816.

It is an arithmetic number, because the mean of its divisors is an integer number (8531076).

Almost surely, 2290832025 is an apocalyptic number.

290832025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290832025 is a deficient number, since it is larger than the sum of its proper divisors (118659623).

290832025 is a wasteful number, since it uses less digits than its factorization.

290832025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 290832025 is about 17053.7979640900. The cubic root of 290832025 is about 662.5430089558.

The spelling of 290832025 in words is "two hundred ninety million, eight hundred thirty-two thousand, twenty-five".

Divisors: 1 5 11 25 37 55 101 185 275 283 407 505 925 1111 1415 2035 2525 3113 3737 5555 7075 10175 10471 15565 18685 27775 28583 41107 52355 77825 93425 115181 142915 205535 261775 314413 575905 714575 1027675 1057571 1572065 2879525 5287855 7860325 11633281 26439275 58166405 290832025