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290641325 = 5213894281
BaseRepresentation
bin10001010100101…
…101010110101101
3202020220002221112
4101110231112231
51043401010300
644501241405
710126260542
oct2124552655
9666802845
10290641325
1113a072147
1281403265
13482a2120
142a858bc9
151a7b0e35
hex1152d5ad

290641325 has 12 divisors (see below), whose sum is σ = 388118388. Its totient is φ = 214627200.

The previous prime is 290641313. The next prime is 290641331. The reversal of 290641325 is 523146092.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10982596 + 279658729 = 3314^2 + 16723^2 .

It is not a de Polignac number, because 290641325 - 212 = 290637229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 290641291 and 290641300.

It is a congruent number.

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, 446816 + ... + 447465.

It is an arithmetic number, because the mean of its divisors is an integer number (32343199).

Almost surely, 2290641325 is an apocalyptic number.

290641325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290641325 is a deficient number, since it is larger than the sum of its proper divisors (97477063).

290641325 is a wasteful number, since it uses less digits than its factorization.

290641325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894304 (or 894299 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 290641325 is about 17048.2059173392. The cubic root of 290641325 is about 662.3981663818.

The spelling of 290641325 in words is "two hundred ninety million, six hundred forty-one thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 325 894281 4471405 11625653 22357025 58128265 290641325