Search a number
-
+
290332542 = 23232103859
BaseRepresentation
bin10001010011100…
…001111101111110
3202020022102101010
4101103201331332
51043311120132
644450500050
710123533363
oct2123417576
9666272333
10290332542
11139981155
1281294626
13481c4706
142a7b846a
151a74e6cc
hex114e1f7e

290332542 has 16 divisors (see below), whose sum is σ = 605911680. Its totient is φ = 92569752.

The previous prime is 290332531. The next prime is 290332547. The reversal of 290332542 is 245233092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290332547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051792 + ... + 1052067.

It is an arithmetic number, because the mean of its divisors is an integer number (37869480).

Almost surely, 2290332542 is an apocalyptic number.

290332542 is an abundant number, since it is smaller than the sum of its proper divisors (315579138).

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

290332542 is a wasteful number, since it uses less digits than its factorization.

290332542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103887.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 290332542 is about 17039.1473378218. The cubic root of 290332542 is about 662.1635016903.

The spelling of 290332542 in words is "two hundred ninety million, three hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 2103859 4207718 6311577 12623154 48388757 96777514 145166271 290332542