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53233412 = 2253293857
BaseRepresentation
bin1100101100010…
…0011100000100
310201011112111212
43023010130010
5102111432122
65140550552
71214322311
oct313043404
9121145455
1053233412
112805a061
12159b2458
13b04b07b
1470d9d08
154a17ce2
hex32c4704

53233412 has 24 divisors (see below), whose sum is σ = 95351256. Its totient is φ = 25995008.

The previous prime is 53233391. The next prime is 53233451. The reversal of 53233412 is 21433235.

It can be written as a sum of positive squares in 4 ways, for example, as 39513796 + 13719616 = 6286^2 + 3704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61688 + ... + 62544.

It is an arithmetic number, because the mean of its divisors is an integer number (3972969).

Almost surely, 253233412 is an apocalyptic number.

It is an amenable number.

53233412 is a deficient number, since it is larger than the sum of its proper divisors (42117844).

53233412 is a wasteful number, since it uses less digits than its factorization.

53233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 53233412 is about 7296.1230801022. The cubic root of 53233412 is about 376.1791906570.

Adding to 53233412 its reverse (21433235), we get a palindrome (74666647).

The spelling of 53233412 in words is "fifty-three million, two hundred thirty-three thousand, four hundred twelve".

Divisors: 1 2 4 53 106 212 293 586 857 1172 1714 3428 15529 31058 45421 62116 90842 181684 251101 502202 1004404 13308353 26616706 53233412