Search a number
-
+
52221884 = 22111391297
BaseRepresentation
bin1100011100110…
…1011110111100
310122021010221212
43013031132330
5101332100014
65103143552
71202610251
oct307153674
9118233855
1052221884
1127529090
12155a4bb8
13aa85830
146d15428
1548b823e
hex31cd7bc

52221884 has 24 divisors (see below), whose sum is σ = 107366448. Its totient is φ = 21911040.

The previous prime is 52221881. The next prime is 52221893. The reversal of 52221884 is 48812225.

It is a self number, because there is not a number n which added to its sum of digits gives 52221884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45077 + ... + 46220.

It is an arithmetic number, because the mean of its divisors is an integer number (4473602).

Almost surely, 252221884 is an apocalyptic number.

It is an amenable number.

52221884 is an abundant number, since it is smaller than the sum of its proper divisors (55144564).

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

52221884 is a wasteful number, since it uses less digits than its factorization.

52221884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91325 (or 91323 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 52221884 is about 7226.4710613134. The cubic root of 52221884 is about 373.7812498712.

The spelling of 52221884 in words is "fifty-two million, two hundred twenty-one thousand, eight hundred eighty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 91297 182594 365188 1004267 1186861 2008534 2373722 4017068 4747444 13055471 26110942 52221884