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52254644 = 22131975101
BaseRepresentation
bin1100011101010…
…1011110110100
310122022210220012
43013111132310
5101334122034
65103555352
71203104621
oct307253664
9118283805
1052254644
1127550762
12155bbb58
13aa97710
146d23348
1548c2cce
hex31d57b4

52254644 has 24 divisors (see below), whose sum is σ = 98999208. Its totient is φ = 23990400.

The previous prime is 52254637. The next prime is 52254679. The reversal of 52254644 is 44645225.

It can be written as a sum of positive squares in 4 ways, for example, as 960400 + 51294244 = 980^2 + 7162^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 52254644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7694 + ... + 12794.

It is an arithmetic number, because the mean of its divisors is an integer number (4124967).

Almost surely, 252254644 is an apocalyptic number.

It is an amenable number.

52254644 is a deficient number, since it is larger than the sum of its proper divisors (46744564).

52254644 is a wasteful number, since it uses less digits than its factorization.

52254644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315 (or 5313 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 52254644 is about 7228.7373724600. The cubic root of 52254644 is about 373.8593940843.

Adding to 52254644 its reverse (44645225), we get a palindrome (96899869).

The spelling of 52254644 in words is "fifty-two million, two hundred fifty-four thousand, six hundred forty-four".

Divisors: 1 2 4 13 26 52 197 394 788 2561 5101 5122 10202 10244 20404 66313 132626 265252 1004897 2009794 4019588 13063661 26127322 52254644