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290380230 = 2325717191427
BaseRepresentation
bin10001010011101…
…101100111000110
3202020101211210100
4101103231213012
51043314131410
644451504530
710124122410
oct2123554706
9666354710
10290380230
11139a03a68
12812b8146
134821032a
142a7cb9b0
151a75d8c0
hex114ed9c6

290380230 has 192 divisors, whose sum is σ = 962357760. Its totient is φ = 59139072.

The previous prime is 290380229. The next prime is 290380283. The reversal of 290380230 is 32083092.

It is a junction number, because it is equal to n+sod(n) for n = 290380194 and 290380203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 202777 + ... + 204203.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2290380230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290380230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481178880).

290380230 is an abundant number, since it is smaller than the sum of its proper divisors (671977530).

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

290380230 is a wasteful number, since it uses less digits than its factorization.

290380230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 290380230 is about 17040.5466461613. The cubic root of 290380230 is about 662.1997538262.

The spelling of 290380230 in words is "two hundred ninety million, three hundred eighty thousand, two hundred thirty".