Search a number
-
+
53429568 = 263278279
BaseRepresentation
bin1100101111010…
…0010101000000
310201112111120220
43023310111000
5102134221233
65145103040
71216100223
oct313642500
9121474526
1053429568
1128183475
1215a87a80
13b0b943a
14714b5ba
154a55eb3
hex32f4540

53429568 has 28 divisors (see below), whose sum is σ = 141366240. Its totient is φ = 17809792.

The previous prime is 53429567. The next prime is 53429581. The reversal of 53429568 is 86592435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53429561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138948 + ... + 139331.

Almost surely, 253429568 is an apocalyptic number.

It is an amenable number.

53429568 is an abundant number, since it is smaller than the sum of its proper divisors (87936672).

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

53429568 is a wasteful number, since it uses less digits than its factorization.

53429568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278294 (or 278284 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 53429568 is about 7309.5532011198. The cubic root of 53429568 is about 376.6406762377.

The spelling of 53429568 in words is "fifty-three million, four hundred twenty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 278279 556558 834837 1113116 1669674 2226232 3339348 4452464 6678696 8904928 13357392 17809856 26714784 53429568