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240524740 = 22514980713
BaseRepresentation
bin11100101011000…
…01110111000100
3121202120220220201
432111201313010
5443033242430
635511140244
75650266211
oct1625416704
9552526821
10240524740
11113851885
1268674684
133aaa5941
1423d30b08
15161b18ca
hexe561dc4

240524740 has 24 divisors (see below), whose sum is σ = 508498200. Its totient is φ = 95563008.

The previous prime is 240524723. The next prime is 240524747. The reversal of 240524740 is 47425042.

It is a happy number.

240524740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12152196 + 228372544 = 3486^2 + 15112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 240524699 and 240524708.

It is not an unprimeable number, because it can be changed into a prime (240524747) 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, 37377 + ... + 43336.

It is an arithmetic number, because the mean of its divisors is an integer number (21187425).

Almost surely, 2240524740 is an apocalyptic number.

240524740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240524740 is an abundant number, since it is smaller than the sum of its proper divisors (267973460).

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

240524740 is a wasteful number, since it uses less digits than its factorization.

240524740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80871 (or 80869 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 240524740 is about 15508.8600483723. The cubic root of 240524740 is about 621.8990851677.

Adding to 240524740 its reverse (47425042), we get a palindrome (287949782).

The spelling of 240524740 in words is "two hundred forty million, five hundred twenty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 80713 161426 322852 403565 807130 1614260 12026237 24052474 48104948 60131185 120262370 240524740