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290050487 = 10127110597
BaseRepresentation
bin10001010010011…
…101000110110111
3202012210002110122
4101102131012313
51043223103422
644440442155
710121250146
oct2122350667
9665702418
10290050487
111397a9251
128117935b
134812620c
142a74375d
151a6e5d42
hex1149d1b7

290050487 has 8 divisors (see below), whose sum is σ = 294030912. Its totient is φ = 286092000.

The previous prime is 290050483. The next prime is 290050529. The reversal of 290050487 is 784050092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290050487 - 22 = 290050483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290050483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22073 + ... + 32669.

It is an arithmetic number, because the mean of its divisors is an integer number (36753864).

Almost surely, 2290050487 is an apocalyptic number.

290050487 is a deficient number, since it is larger than the sum of its proper divisors (3980425).

290050487 is a wasteful number, since it uses less digits than its factorization.

290050487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 290050487 is about 17030.8686507764. The cubic root of 290050487 is about 661.9490039303.

The spelling of 290050487 in words is "two hundred ninety million, fifty thousand, four hundred eighty-seven".

Divisors: 1 101 271 10597 27371 1070297 2871787 290050487