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242620724 = 2268388807
BaseRepresentation
bin11100111011000…
…01100100110100
3121220112102001202
432131201210310
5444102330344
640024112032
76004146023
oct1635414464
9556472052
10242620724
11114a535a5
1269305618
133b35a978
14243188ba
151647794e
hexe761934

242620724 has 12 divisors (see below), whose sum is σ = 425212704. Its totient is φ = 121131384.

The previous prime is 242620667. The next prime is 242620727. The reversal of 242620724 is 427026242.

It is a happy number.

242620724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242620727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41672 + ... + 47135.

It is an arithmetic number, because the mean of its divisors is an integer number (35434392).

Almost surely, 2242620724 is an apocalyptic number.

It is an amenable number.

242620724 is a deficient number, since it is larger than the sum of its proper divisors (182591980).

242620724 is a wasteful number, since it uses less digits than its factorization.

242620724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89494 (or 89492 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 242620724 is about 15576.2872341261. The cubic root of 242620724 is about 623.7003170053.

Adding to 242620724 its reverse (427026242), we get a palindrome (669646966).

The spelling of 242620724 in words is "two hundred forty-two million, six hundred twenty thousand, seven hundred twenty-four".

Divisors: 1 2 4 683 1366 2732 88807 177614 355228 60655181 121310362 242620724