Search a number
-
+
242864904 = 23319152981
BaseRepresentation
bin11100111100111…
…01001100001000
3121220222211000110
432132131030020
5444133134104
640033234320
76006213642
oct1636351410
9556884013
10242864904
111150aaaa7
12694029a0
133b414b59
142437d892
15164c4e89
hexe79d308

242864904 has 32 divisors (see below), whose sum is σ = 610352640. Its totient is φ = 80529600.

The previous prime is 242864899. The next prime is 242864917. The reversal of 242864904 is 409468242.

242864904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21907 + ... + 31074.

It is an arithmetic number, because the mean of its divisors is an integer number (19073520).

Almost surely, 2242864904 is an apocalyptic number.

242864904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242864904 is an abundant number, since it is smaller than the sum of its proper divisors (367487736).

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

242864904 is a wasteful number, since it uses less digits than its factorization.

242864904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53181 (or 53177 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 242864904 is about 15584.1234594699. The cubic root of 242864904 is about 623.9094830899.

The spelling of 242864904 in words is "two hundred forty-two million, eight hundred sixty-four thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 191 382 573 764 1146 1528 2292 4584 52981 105962 158943 211924 317886 423848 635772 1271544 10119371 20238742 30358113 40477484 60716226 80954968 121432452 242864904