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242656975 = 5211882389
BaseRepresentation
bin11100111011010…
…10011011001111
3121220121020210101
432131222123033
5444110010400
640024551531
76004356511
oct1635523317
9556536711
10242656975
11114a78860
12693225a7
133b371312
1424327bb1
151648356a
hexe76a6cf

242656975 has 12 divisors (see below), whose sum is σ = 328249080. Its totient is φ = 176477600.

The previous prime is 242656957. The next prime is 242657017. The reversal of 242656975 is 579656242.

It is not a de Polignac number, because 242656975 - 217 = 242525903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440920 + ... + 441469.

It is an arithmetic number, because the mean of its divisors is an integer number (27354090).

Almost surely, 2242656975 is an apocalyptic number.

242656975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242656975 is a deficient number, since it is larger than the sum of its proper divisors (85592105).

242656975 is a wasteful number, since it uses less digits than its factorization.

242656975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882410 (or 882405 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 242656975 is about 15577.4508505082. The cubic root of 242656975 is about 623.7313787023.

The spelling of 242656975 in words is "two hundred forty-two million, six hundred fifty-six thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 275 882389 4411945 9706279 22059725 48531395 242656975