Search a number
-
+
290381135 = 51118612837
BaseRepresentation
bin10001010011101…
…101110101001111
3202020101220000212
4101103231311033
51043314144020
644451513035
710124125142
oct2123556517
9666356025
10290381135
11139a04710
12812b877b
1348210875
142a7cc059
151a75dcc5
hex114edd4f

290381135 has 16 divisors (see below), whose sum is σ = 380473632. Its totient is φ = 210998400.

The previous prime is 290381129. The next prime is 290381153. The reversal of 290381135 is 531183092.

It is not a de Polignac number, because 290381135 - 212 = 290377039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 100937 + ... + 103773.

It is an arithmetic number, because the mean of its divisors is an integer number (23779602).

Almost surely, 2290381135 is an apocalyptic number.

290381135 is a deficient number, since it is larger than the sum of its proper divisors (90092497).

290381135 is a wasteful number, since it uses less digits than its factorization.

290381135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 290381135 is about 17040.5732004531. The cubic root of 290381135 is about 662.2004417635.

The spelling of 290381135 in words is "two hundred ninety million, three hundred eighty-one thousand, one hundred thirty-five".

Divisors: 1 5 11 55 1861 2837 9305 14185 20471 31207 102355 156035 5279657 26398285 58076227 290381135