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290012525 = 52116731567
BaseRepresentation
bin10001010010010…
…011110101101101
3202012201011101122
4101102103311231
51043220400100
644435550325
710121031365
oct2122236555
9665634348
10290012525
11139782780
128115b3a5
1348111b5a
142a7339a5
151a6d9985
hex11493d6d

290012525 has 24 divisors (see below), whose sum is σ = 393141504. Its totient is φ = 210470400.

The previous prime is 290012509. The next prime is 290012581. The reversal of 290012525 is 525210092.

It is not a de Polignac number, because 290012525 - 24 = 290012509 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 = 290012494 and 290012503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184292 + ... + 185858.

It is an arithmetic number, because the mean of its divisors is an integer number (16380896).

Almost surely, 2290012525 is an apocalyptic number.

290012525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290012525 is a deficient number, since it is larger than the sum of its proper divisors (103128979).

290012525 is a wasteful number, since it uses less digits than its factorization.

290012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 290012525 is about 17029.7541086182. The cubic root of 290012525 is about 661.9201238956.

The spelling of 290012525 in words is "two hundred ninety million, twelve thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 673 1567 3365 7403 7835 16825 17237 37015 39175 86185 185075 430925 1054591 5272955 11600501 26364775 58002505 290012525