Search a number
-
+
52210520 = 23511311551
BaseRepresentation
bin1100011100101…
…0101101011000
310122020120100222
43013022231120
5101331214040
65103015212
71202532155
oct307125530
9118216328
1052210520
112752059a
121559a508
13aa805cb
146d1122c
1548b4bb5
hex31cab58

52210520 has 32 divisors (see below), whose sum is σ = 118523520. Its totient is φ = 20697600.

The previous prime is 52210513. The next prime is 52210531. The reversal of 52210520 is 2501225.

52210520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (3703860).

Almost surely, 252210520 is an apocalyptic number.

It is an amenable number.

52210520 is an abundant number, since it is smaller than the sum of its proper divisors (66313000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52210520 is a wasteful number, since it uses less digits than its factorization.

52210520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675 (or 11671 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52210520 is about 7225.6847426386. The cubic root of 52210520 is about 373.7541350683.

Adding to 52210520 its reverse (2501225), we get a palindrome (54711745).

The spelling of 52210520 in words is "fifty-two million, two hundred ten thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 113 226 452 565 904 1130 2260 4520 11551 23102 46204 57755 92408 115510 231020 462040 1305263 2610526 5221052 6526315 10442104 13052630 26105260 52210520