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250005090 = 23560713729
BaseRepresentation
bin11101110011011…
…00011001100010
3122102102120111210
432321230121202
51003000130330
640450250550
76124002546
oct1671543142
9572376453
10250005090
11119137585
126b886a56
133ca44b0a
14252bba26
1516e358b0
hexee6c662

250005090 has 32 divisors (see below), whose sum is σ = 601044480. Its totient is φ = 66553344.

The previous prime is 250005089. The next prime is 250005121. The reversal of 250005090 is 90500052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11346 + ... + 25074.

It is an arithmetic number, because the mean of its divisors is an integer number (18782640).

Almost surely, 2250005090 is an apocalyptic number.

250005090 is an abundant number, since it is smaller than the sum of its proper divisors (351039390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250005090 is a wasteful number, since it uses less digits than its factorization.

250005090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 250005090 is about 15811.5492599555. The cubic root of 250005090 is about 629.9648002505.

The spelling of 250005090 in words is "two hundred fifty million, five thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 607 1214 1821 3035 3642 6070 9105 13729 18210 27458 41187 68645 82374 137290 205935 411870 8333503 16667006 25000509 41667515 50001018 83335030 125002545 250005090