Search a number
-
+
52504925 = 52112171021
BaseRepresentation
bin1100100001001…
…0100101011101
310122210112012212
43020102211131
5101420124200
65113210205
71205166404
oct310224535
9118715185
1052504925
1127701800
1215700965
13ab54605
146d8a63b
154922035
hex321295d

52504925 has 36 divisors (see below), whose sum is σ = 75846708. Its totient is φ = 35904000.

The previous prime is 52504913. The next prime is 52504939. The reversal of 52504925 is 52940525.

It can be written as a sum of positive squares in 6 ways, for example, as 116281 + 52388644 = 341^2 + 7238^2 .

It is not a de Polignac number, because 52504925 - 26 = 52504861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52504891 and 52504900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50915 + ... + 51935.

It is an arithmetic number, because the mean of its divisors is an integer number (2106853).

Almost surely, 252504925 is an apocalyptic number.

52504925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52504925 is a deficient number, since it is larger than the sum of its proper divisors (23341783).

52504925 is a wasteful number, since it uses less digits than its factorization.

52504925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 52504925 is about 7246.0282224126. The cubic root of 52504925 is about 374.4553277874.

Subtracting 52504925 from its reverse (52940525), we obtain a square (435600 = 6602).

The spelling of 52504925 in words is "fifty-two million, five hundred four thousand, nine hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 121 187 275 425 605 935 1021 2057 3025 4675 5105 10285 11231 17357 25525 51425 56155 86785 123541 190927 280775 433925 617705 954635 2100197 3088525 4773175 10500985 52504925