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242538910 = 25231054517
BaseRepresentation
bin11100111010011…
…01100110011110
3121220101020211121
432131031212132
5444042221120
640022241154
76003355345
oct1635154636
9556336747
10242538910
111149a8089
12692861ba
133b32c663
14242d6b5c
151645d5aa
hexe74d99e

242538910 has 16 divisors (see below), whose sum is σ = 455551776. Its totient is φ = 92797408.

The previous prime is 242538899. The next prime is 242538913. The reversal of 242538910 is 19835242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242538913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527029 + ... + 527488.

It is an arithmetic number, because the mean of its divisors is an integer number (28471986).

Almost surely, 2242538910 is an apocalyptic number.

242538910 is a deficient number, since it is larger than the sum of its proper divisors (213012866).

242538910 is a wasteful number, since it uses less digits than its factorization.

242538910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054547.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 242538910 is about 15573.6607770941. The cubic root of 242538910 is about 623.6302032442.

The spelling of 242538910 in words is "two hundred forty-two million, five hundred thirty-eight thousand, nine hundred ten".

Divisors: 1 2 5 10 23 46 115 230 1054517 2109034 5272585 10545170 24253891 48507782 121269455 242538910