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232442440 = 2355811061
BaseRepresentation
bin11011101101011…
…00101001001000
3121012101022002021
431312230221020
5434001124230
635022014224
75521504516
oct1566545110
9535338067
10232442440
1110a23149a
1265a17374
1339205c09
1422c294b6
1515616c7a
hexddaca48

232442440 has 16 divisors (see below), whose sum is σ = 522995580. Its totient is φ = 92976960.

The previous prime is 232442437. The next prime is 232442443. The reversal of 232442440 is 44244232.

232442440 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (232442437) and next prime (232442443).

It can be written as a sum of positive squares in 2 ways, for example, as 187525636 + 44916804 = 13694^2 + 6702^2 .

It is not an unprimeable number, because it can be changed into a prime (232442443) 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, 2905491 + ... + 2905570.

Almost surely, 2232442440 is an apocalyptic number.

232442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232442440 is an abundant number, since it is smaller than the sum of its proper divisors (290553140).

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

232442440 is a wasteful number, since it uses less digits than its factorization.

232442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811072 (or 5811068 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 232442440 is about 15246.0630983871. The cubic root of 232442440 is about 614.8537250991.

Adding to 232442440 its reverse (44244232), we get a palindrome (276686672).

The spelling of 232442440 in words is "two hundred thirty-two million, four hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5811061 11622122 23244244 29055305 46488488 58110610 116221220 232442440