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290774425 = 52113102929
BaseRepresentation
bin10001010101001…
…101110110011001
3202021010212112011
4101111031312121
51043414240200
644504145521
710130353564
oct2125156631
9667125464
10290774425
1113a153147
12814682a1
134831a896
142a8914db
151a7da5ba
hex1154dd99

290774425 has 12 divisors (see below), whose sum is σ = 363754620. Its totient is φ = 230558720.

The previous prime is 290774401. The next prime is 290774437. The reversal of 290774425 is 524477092.

It can be written as a sum of positive squares in 6 ways, for example, as 6245001 + 284529424 = 2499^2 + 16868^2 .

It is not a de Polignac number, because 290774425 - 225 = 257219993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48640 + ... + 54289.

It is an arithmetic number, because the mean of its divisors is an integer number (30312885).

Almost surely, 2290774425 is an apocalyptic number.

290774425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290774425 is a deficient number, since it is larger than the sum of its proper divisors (72980195).

290774425 is a wasteful number, since it uses less digits than its factorization.

290774425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103052 (or 103047 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 290774425 is about 17052.1091070870. The cubic root of 290774425 is about 662.4992666421.

The spelling of 290774425 in words is "two hundred ninety million, seven hundred seventy-four thousand, four hundred twenty-five".

Divisors: 1 5 25 113 565 2825 102929 514645 2573225 11630977 58154885 290774425