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290323120 = 2453629039
BaseRepresentation
bin10001010011011…
…111101010110000
3202020021221110011
4101103133222300
51043310314440
644450344304
710123464043
oct2123375260
9666257404
10290323120
1113997506a
128128b094
13481c0339
142a7b4c5a
151a74b9ea
hex114dfab0

290323120 has 20 divisors (see below), whose sum is σ = 675001440. Its totient is φ = 116129216.

The previous prime is 290323087. The next prime is 290323157. The reversal of 290323120 is 21323092.

290323120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 290323091 and 290323100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814440 + ... + 1814599.

It is an arithmetic number, because the mean of its divisors is an integer number (33750072).

Almost surely, 2290323120 is an apocalyptic number.

290323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290323120 is an abundant number, since it is smaller than the sum of its proper divisors (384678320).

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

290323120 is a wasteful number, since it uses less digits than its factorization.

290323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629052 (or 3629046 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 290323120 is about 17038.8708546077. The cubic root of 290323120 is about 662.1563386719.

The spelling of 290323120 in words is "two hundred ninety million, three hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3629039 7258078 14516156 18145195 29032312 36290390 58064624 72580780 145161560 290323120