Search a number
-
+
230627388 = 22319218949
BaseRepresentation
bin11011011111100…
…01100000111100
3121001222002022010
431233301200330
5433020034023
634515051220
75500205025
oct1557614074
9531862263
10230627388
11109201852
12652a0b10
1338a1ba14
14228b5c4c
15153a9093
hexdbf183c

230627388 has 12 divisors (see below), whose sum is σ = 538130600. Its totient is φ = 76875792.

The previous prime is 230627387. The next prime is 230627393. The reversal of 230627388 is 883726032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230627387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9609463 + ... + 9609486.

Almost surely, 2230627388 is an apocalyptic number.

It is an amenable number.

230627388 is an abundant number, since it is smaller than the sum of its proper divisors (307503212).

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

230627388 is a wasteful number, since it uses less digits than its factorization.

230627388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218956 (or 19218954 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 230627388 is about 15186.4211715598. The cubic root of 230627388 is about 613.2491573463.

The spelling of 230627388 in words is "two hundred thirty million, six hundred twenty-seven thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19218949 38437898 57656847 76875796 115313694 230627388