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240424132 = 221321720921
BaseRepresentation
bin11100101010010…
…01010011000100
3121202101210220111
432111021103010
5443022033012
635505042404
75646366664
oct1625112304
9552353814
10240424132
11113793233
1268626404
133aa6bc00
1423d061a4
1516191ba7
hexe5494c4

240424132 has 36 divisors (see below), whose sum is σ = 482419476. Its totient is φ = 104432640.

The previous prime is 240424109. The next prime is 240424139. The reversal of 240424132 is 231424042.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4064256 + 236359876 = 2016^2 + 15374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240424139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032 + ... + 21952.

It is an arithmetic number, because the mean of its divisors is an integer number (13400541).

Almost surely, 2240424132 is an apocalyptic number.

It is an amenable number.

240424132 is an abundant number, since it is smaller than the sum of its proper divisors (241995344).

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

240424132 is a wasteful number, since it uses less digits than its factorization.

240424132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968 (or 20953 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 240424132 is about 15505.6161438364. The cubic root of 240424132 is about 621.8123626280.

Adding to 240424132 its reverse (231424042), we get a palindrome (471848174).

The spelling of 240424132 in words is "two hundred forty million, four hundred twenty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 13 17 26 34 52 68 169 221 338 442 676 884 2873 5746 11492 20921 41842 83684 271973 355657 543946 711314 1087892 1422628 3535649 4623541 7071298 9247082 14142596 18494164 60106033 120212066 240424132