Search a number
-
+
229887568 = 2431463483
BaseRepresentation
bin11011011001111…
…00111001010000
3121000120111110101
431230330321100
5432322400233
634451142144
75461004101
oct1554747120
9530514411
10229887568
11108846a29
1264ba4954
1338820061
14227623a8
15152aec7d
hexdb3ce50

229887568 has 20 divisors (see below), whose sum is σ = 459776128. Its totient is φ = 111235680.

The previous prime is 229887527. The next prime is 229887571. The reversal of 229887568 is 865788922.

It is a happy number.

229887568 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231246 + ... + 232237.

Almost surely, 2229887568 is an apocalyptic number.

It is an amenable number.

229887568 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

229887568 is a wasteful number, since it uses less digits than its factorization.

229887568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463522 (or 463516 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 229887568 is about 15162.0436617232. The cubic root of 229887568 is about 612.5927161048.

The spelling of 229887568 in words is "two hundred twenty-nine million, eight hundred eighty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 463483 926966 1853932 3707864 7415728 14367973 28735946 57471892 114943784 229887568