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242570288 = 2431489053
BaseRepresentation
bin11100111010101…
…01010000110000
3121220102211212202
432131111100300
5444044222123
640023042332
76003546002
oct1635252060
9556384782
10242570288
11114a19714
12692a03a8
133b340a1c
1424304372
1516467a28
hexe755430

242570288 has 20 divisors (see below), whose sum is σ = 485141568. Its totient is φ = 117372480.

The previous prime is 242570281. The next prime is 242570291. The reversal of 242570288 is 882075242.

It is a happy number.

242570288 is an admirable number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (242570281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244031 + ... + 245022.

Almost surely, 2242570288 is an apocalyptic number.

It is an amenable number.

242570288 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.

242570288 is a wasteful number, since it uses less digits than its factorization.

242570288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489092 (or 489086 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 242570288 is about 15574.6681505578. The cubic root of 242570288 is about 623.6570957329.

The spelling of 242570288 in words is "two hundred forty-two million, five hundred seventy thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 489053 978106 1956212 3912424 7824848 15160643 30321286 60642572 121285144 242570288