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53236081 = 1937411847
BaseRepresentation
bin1100101100010…
…1000101110001
310201011200011201
43023011011301
5102112023311
65141011201
71214333143
oct313050561
9121150151
1053236081
1128061068
12159b3b01
13b04c352
1470dac93
154a189c1
hex32c5171

53236081 has 16 divisors (see below), whose sum is σ = 58988160. Its totient is φ = 47848320.

The previous prime is 53236069. The next prime is 53236091. The reversal of 53236081 is 18063235.

It is a cyclic number.

It is not a de Polignac number, because 53236081 - 27 = 53235953 is a prime.

It is a super-2 number, since 2×532360812 = 5668160640477122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53236091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27900 + ... + 29746.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 253236081 is an apocalyptic number.

It is an amenable number.

53236081 is a deficient number, since it is larger than the sum of its proper divisors (5752079).

53236081 is a wasteful number, since it uses less digits than its factorization.

53236081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 53236081 is about 7296.3059831671. The cubic root of 53236081 is about 376.1854774697.

The spelling of 53236081 in words is "fifty-three million, two hundred thirty-six thousand, eighty-one".

Divisors: 1 19 37 41 703 779 1517 1847 28823 35093 68339 75727 1298441 1438813 2801899 53236081