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290929625 = 5372331427
BaseRepresentation
bin10001010101110…
…011101111011001
3202021102202102022
4101111303233121
51043434222000
644511344225
710131601220
oct2125635731
9667382368
10290929625
1113a249808
1281522075
134837340c
142a8d1cb7
151a81b585
hex11573bd9

290929625 has 32 divisors (see below), whose sum is σ = 417021696. Its totient is φ = 198499200.

The previous prime is 290929621. The next prime is 290929627. The reversal of 290929625 is 526929092.

It is not a de Polignac number, because 290929625 - 22 = 290929621 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (290929621) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 203162 + ... + 204588.

It is an arithmetic number, because the mean of its divisors is an integer number (13031928).

Almost surely, 2290929625 is an apocalyptic number.

290929625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290929625 is a deficient number, since it is larger than the sum of its proper divisors (126092071).

290929625 is a wasteful number, since it uses less digits than its factorization.

290929625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 290929625 is about 17056.6592567243. The cubic root of 290929625 is about 662.6171146937.

The spelling of 290929625 in words is "two hundred ninety million, nine hundred twenty-nine thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 233 875 1165 1427 1631 5825 7135 8155 9989 29125 35675 40775 49945 178375 203875 249725 332491 1248625 1662455 2327437 8312275 11637185 41561375 58185925 290929625