Search a number
-
+
52910249 = 721517151
BaseRepresentation
bin1100100111010…
…1100010101001
310200120010012212
43021311202221
5102021111444
65130014505
71211505200
oct311654251
9120503185
1052910249
1127959287
1215877435
13ac66c52
147054237
1549a219e
hex32758a9

52910249 has 12 divisors (see below), whose sum is σ = 61964928. Its totient is φ = 45045000.

The previous prime is 52910219. The next prime is 52910257. The reversal of 52910249 is 94201925.

52910249 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 52910249 - 28 = 52909993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52910219) 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, 3824 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (5163744).

Almost surely, 252910249 is an apocalyptic number.

It is an amenable number.

52910249 is a deficient number, since it is larger than the sum of its proper divisors (9054679).

52910249 is a wasteful number, since it uses less digits than its factorization.

52910249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316 (or 7309 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 52910249 is about 7273.9431534760. The cubic root of 52910249 is about 375.4164239237.

The spelling of 52910249 in words is "fifty-two million, nine hundred ten thousand, two hundred forty-nine".

Divisors: 1 7 49 151 1057 7151 7399 50057 350399 1079801 7558607 52910249