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243968552 = 2338517919
BaseRepresentation
bin11101000101010…
…10101000101000
3122000001212221022
432202222220220
5444423443202
640113032012
76021461402
oct1642525050
9560055838
10243968552
11115794203
1269855608
133b7102b9
1424589b72
1516641ea2
hexe8aaa28

243968552 has 16 divisors (see below), whose sum is σ = 457617600. Its totient is φ = 121937200.

The previous prime is 243968551. The next prime is 243968603. The reversal of 243968552 is 255869342.

It is not an unprimeable number, because it can be changed into a prime (243968551) 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, 26849 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (28601100).

Almost surely, 2243968552 is an apocalyptic number.

It is an amenable number.

243968552 is a deficient number, since it is larger than the sum of its proper divisors (213649048).

243968552 is a wasteful number, since it uses less digits than its factorization.

243968552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776 (or 11772 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 243968552 is about 15619.4926934264. The cubic root of 243968552 is about 624.8531298627.

The spelling of 243968552 in words is "two hundred forty-three million, nine hundred sixty-eight thousand, five hundred fifty-two".

Divisors: 1 2 4 8 3851 7702 7919 15404 15838 30808 31676 63352 30496069 60992138 121984276 243968552