Search a number
-
+
53244081 = 3311315783
BaseRepresentation
bin1100101100011…
…1000010110001
310201012002011000
43023013002301
5102112302311
65141112213
71214365362
oct313070261
9121162130
1053244081
1128067080
12159b8669
13b052b97
1470ddb69
154a1b056
hex32c70b1

53244081 has 32 divisors (see below), whose sum is σ = 88842240. Its totient is φ = 31222800.

The previous prime is 53244077. The next prime is 53244097. The reversal of 53244081 is 18044235.

It is not a de Polignac number, because 53244081 - 22 = 53244077 is a prime.

It is a super-2 number, since 2×532440812 = 5669864323069122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53244031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6316 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (2776320).

Almost surely, 253244081 is an apocalyptic number.

It is an amenable number.

53244081 is a deficient number, since it is larger than the sum of its proper divisors (35598159).

53244081 is a wasteful number, since it uses less digits than its factorization.

53244081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53244081 is about 7296.8541851952. The cubic root of 53244081 is about 376.2043201608.

The spelling of 53244081 in words is "fifty-three million, two hundred forty-four thousand, eighty-one".

Divisors: 1 3 9 11 27 31 33 93 99 279 297 341 837 1023 3069 5783 9207 17349 52047 63613 156141 179273 190839 537819 572517 1613457 1717551 1972003 4840371 5916009 17748027 53244081