Search a number
-
+
250030218 = 23418271229
BaseRepresentation
bin11101110011100…
…10100010001010
3122102110211222110
432321302202022
51003001431333
640451003150
76124136034
oct1671624212
9572424873
10250030218
11119154449
126b8994b6
133ca53399
14252c6c54
1516e3d063
hexee7288a

250030218 has 32 divisors (see below), whose sum is σ = 513293760. Its totient is φ = 81146240.

The previous prime is 250030211. The next prime is 250030223. The reversal of 250030218 is 812030052.

250030218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 250030194 and 250030203.

It is not an unprimeable number, because it can be changed into a prime (250030211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202828 + ... + 204056.

It is an arithmetic number, because the mean of its divisors is an integer number (16040430).

Almost surely, 2250030218 is an apocalyptic number.

250030218 is an abundant number, since it is smaller than the sum of its proper divisors (263263542).

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

250030218 is a wasteful number, since it uses less digits than its factorization.

250030218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 250030218 is about 15812.3438490314. The cubic root of 250030218 is about 629.9859054544.

The spelling of 250030218 in words is "two hundred fifty million, thirty thousand, two hundred eighteen".

Divisors: 1 2 3 6 41 82 123 246 827 1229 1654 2458 2481 3687 4962 7374 33907 50389 67814 100778 101721 151167 203442 302334 1016383 2032766 3049149 6098298 41671703 83343406 125015109 250030218