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290094305 = 5137342257
BaseRepresentation
bin10001010010100…
…111110011100001
3202012212022120112
4101102213303201
51043231004210
644441421105
710121521664
oct2122476341
9665768515
10290094305
11139829166
128119a795
1348140147
142a7556db
151a703d05
hex114a7ce1

290094305 has 8 divisors (see below), whose sum is σ = 348374952. Its totient is φ = 231900928.

The previous prime is 290094283. The next prime is 290094313. The reversal of 290094305 is 503490092.

It can be written as a sum of positive squares in 4 ways, for example, as 113124496 + 176969809 = 10636^2 + 13303^2 .

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 290094305 - 210 = 290093281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14264 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (43546869).

Almost surely, 2290094305 is an apocalyptic number.

It is an amenable number.

290094305 is a deficient number, since it is larger than the sum of its proper divisors (58280647).

290094305 is a wasteful number, since it uses less digits than its factorization.

290094305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43635.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 290094305 is about 17032.1550309995. The cubic root of 290094305 is about 661.9823358527.

The spelling of 290094305 in words is "two hundred ninety million, ninety-four thousand, three hundred five".

Divisors: 1 5 1373 6865 42257 211285 58018861 290094305