Search a number
-
+
252520112 = 24131214039
BaseRepresentation
bin11110000110100…
…10011010110000
3122121011100110202
433003102122300
51004121120422
641020214332
76154246145
oct1703223260
9577140422
10252520112
1111a5a5109
127069a3a8
13404157b0
14257743cc
1517280b92
hexf0d26b0

252520112 has 20 divisors (see below), whose sum is σ = 526893360. Its totient is φ = 116547648.

The previous prime is 252520111. The next prime is 252520117. The reversal of 252520112 is 211025252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252520111) 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 3 ways as a sum of consecutive naturals, for example, 606812 + ... + 607227.

It is an arithmetic number, because the mean of its divisors is an integer number (26344668).

Almost surely, 2252520112 is an apocalyptic number.

It is an amenable number.

252520112 is an abundant number, since it is smaller than the sum of its proper divisors (274373248).

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

252520112 is a wasteful number, since it uses less digits than its factorization.

252520112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214060 (or 1214054 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 252520112 is about 15890.8814104190. The cubic root of 252520112 is about 632.0702133176.

Adding to 252520112 its reverse (211025252), we get a palindrome (463545364).

The spelling of 252520112 in words is "two hundred fifty-two million, five hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 1214039 2428078 4856156 9712312 15782507 19424624 31565014 63130028 126260056 252520112