Base | Representation |
---|---|
bin | 10001010011100… |
… | …100110101100100 |
3 | 202020100000111022 |
4 | 101103210311210 |
5 | 1043312004132 |
6 | 44451030312 |
7 | 10123612550 |
oct | 2123446544 |
9 | 666300438 |
10 | 290344292 |
11 | 139989a67 |
12 | 8129b398 |
13 | 481c9b74 |
14 | 2a7bc860 |
15 | 1a752e12 |
hex | 114e4d64 |
290344292 has 48 divisors (see below), whose sum is σ = 622339200. Its totient is φ = 115686912.
The previous prime is 290344283. The next prime is 290344297. The reversal of 290344292 is 292443092.
It is not an unprimeable number, because it can be changed into a prime (290344297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35834 + ... + 43182.
It is an arithmetic number, because the mean of its divisors is an integer number (12965400).
Almost surely, 2290344292 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 290344292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311169600).
290344292 is an abundant number, since it is smaller than the sum of its proper divisors (331994908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290344292 is a wasteful number, since it uses less digits than its factorization.
290344292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7460 (or 7458 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 35.
The square root of 290344292 is about 17039.4921285818. The cubic root of 290344292 is about 662.1724343394.
The spelling of 290344292 in words is "two hundred ninety million, three hundred forty-four thousand, two hundred ninety-two".
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