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53045 = 51032
BaseRepresentation
bin1100111100110101
32200202122
430330311
53144140
61045325
7310436
oct147465
980678
1053045
1136943
1226845
131b1b5
141548d
1510ab5
hexcf35

53045 has 6 divisors (see below), whose sum is σ = 64278. Its totient is φ = 42024.

The previous prime is 53017. The next prime is 53047. The reversal of 53045 is 54035.

It can be written as a sum of positive squares in only one way, i.e., 42436 + 10609 = 206^2 + 103^2 .

It is not a de Polignac number, because 53045 - 26 = 52981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53045.

It is not an unprimeable number, because it can be changed into a prime (53047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (10713).

253045 is an apocalyptic number.

It is an amenable number.

53045 is a deficient number, since it is larger than the sum of its proper divisors (11233).

53045 is an equidigital number, since it uses as much as digits as its factorization.

53045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53045 is about 230.3150016825. The cubic root of 53045 is about 37.5734855323.

Subtracting 53045 from its reverse (54035), we obtain a triangular number (990 = T44).

It can be divided in two parts, 530 and 45, that added together give a palindrome (575).

The spelling of 53045 in words is "fifty-three thousand, forty-five".

Divisors: 1 5 103 515 10609 53045