Search a number
-
+
250530290 = 25233910711
BaseRepresentation
bin11101110111011…
…00100111110010
3122110102020221122
432323230213302
51003113432130
640505422242
76131321003
oct1673544762
9573366848
10250530290
1111946612a
126ba9a982
133cb99b9a
14253b71aa
1516edb2e5
hexeeec9f2

250530290 has 16 divisors (see below), whose sum is σ = 451189440. Its totient is φ = 100159920.

The previous prime is 250530289. The next prime is 250530317. The reversal of 250530290 is 92035052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18035 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (28199340).

Almost surely, 2250530290 is an apocalyptic number.

250530290 is a deficient number, since it is larger than the sum of its proper divisors (200659150).

250530290 is a wasteful number, since it uses less digits than its factorization.

250530290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 250530290 is about 15828.1486599033. The cubic root of 250530290 is about 630.4056260744.

The spelling of 250530290 in words is "two hundred fifty million, five hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 2339 4678 10711 11695 21422 23390 53555 107110 25053029 50106058 125265145 250530290