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242554340 = 22571732531
BaseRepresentation
bin11100111010100…
…01010111100100
3121220102001000002
432131101113210
5444043214330
640022440432
76003451340
oct1635212744
9556361002
10242554340
11114a08736
1269293118
133b3366a2
14242dc620
1516462e45
hexe7515e4

242554340 has 24 divisors (see below), whose sum is σ = 582130752. Its totient is φ = 83161440.

The previous prime is 242554327. The next prime is 242554349. The reversal of 242554340 is 43455242.

It is not an unprimeable number, because it can be changed into a prime (242554349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866126 + ... + 866405.

It is an arithmetic number, because the mean of its divisors is an integer number (24255448).

Almost surely, 2242554340 is an apocalyptic number.

242554340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242554340 is an abundant number, since it is smaller than the sum of its proper divisors (339576412).

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

242554340 is a wasteful number, since it uses less digits than its factorization.

242554340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732547 (or 1732545 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 242554340 is about 15574.1561569159. The cubic root of 242554340 is about 623.6434278027.

It can be divided in two parts, 2425 and 54340, that added together give a palindrome (56765).

The spelling of 242554340 in words is "two hundred forty-two million, five hundred fifty-four thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1732531 3465062 6930124 8662655 12127717 17325310 24255434 34650620 48510868 60638585 121277170 242554340