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52040223 = 3253791381
BaseRepresentation
bin1100011010000…
…1001000011111
310121220220202200
43012201020133
5101310241343
65055222543
71201222524
oct306411037
9117826680
1052040223
1127414654
1215517a53
13aa20c41
146ca914b
15487e4d3
hex31a121f

52040223 has 24 divisors (see below), whose sum is σ = 77613120. Its totient is φ = 33583680.

The previous prime is 52040201. The next prime is 52040269. The reversal of 52040223 is 32204025.

It is not a de Polignac number, because 52040223 - 26 = 52040159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52040196 and 52040205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36993 + ... + 38373.

It is an arithmetic number, because the mean of its divisors is an integer number (3233880).

Almost surely, 252040223 is an apocalyptic number.

52040223 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

52040223 is a deficient number, since it is larger than the sum of its proper divisors (25572897).

52040223 is a wasteful number, since it uses less digits than its factorization.

52040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52040223 is about 7213.8909750564. The cubic root of 52040223 is about 373.3473298501.

Adding to 52040223 its reverse (32204025), we get a palindrome (84244248).

It can be divided in two parts, 5204022 and 3, that added together give a palindrome (5204025).

The spelling of 52040223 in words is "fifty-two million, forty thousand, two hundred twenty-three".

Divisors: 1 3 9 53 79 159 237 477 711 1381 4143 4187 12429 12561 37683 73193 109099 219579 327297 658737 981891 5782247 17346741 52040223