Search a number
-
+
52222149 = 327828923
BaseRepresentation
bin1100011100110…
…1100011000101
310122021011022200
43013031203011
5101332102044
65103145113
71202611110
oct307154305
9118234280
1052222149
1127529301
12155a5199
13aa859a5
146d15577
1548b8369
hex31cd8c5

52222149 has 12 divisors (see below), whose sum is σ = 86208096. Its totient is φ = 29841192.

The previous prime is 52222141. The next prime is 52222153. The reversal of 52222149 is 94122225.

It is a happy number.

52222149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52222149 - 23 = 52222141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222141) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 414399 + ... + 414524.

It is an arithmetic number, because the mean of its divisors is an integer number (7184008).

Almost surely, 252222149 is an apocalyptic number.

It is an amenable number.

52222149 is a deficient number, since it is larger than the sum of its proper divisors (33985947).

52222149 is a wasteful number, since it uses less digits than its factorization.

52222149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828936 (or 828933 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 52222149 is about 7226.4893966573. The cubic root of 52222149 is about 373.7818821212.

The spelling of 52222149 in words is "fifty-two million, two hundred twenty-two thousand, one hundred forty-nine".

Divisors: 1 3 7 9 21 63 828923 2486769 5802461 7460307 17407383 52222149