Search a number
-
+
253044522 = 23247299107
BaseRepresentation
bin11110001010100…
…10011100101010
3122122010222211100
433011102130222
51004234411042
641035342230
76161562063
oct1705223452
9578128740
10253044522
1111a923105
12708b1976
134056a3b3
142586d56a
151733624c
hexf15272a

253044522 has 24 divisors (see below), whose sum is σ = 559930176. Its totient is φ = 82553256.

The previous prime is 253044521. The next prime is 253044523. The reversal of 253044522 is 225440352.

It is a happy number.

253044522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253044521) and next prime (253044523).

It is a super-2 number, since 2×2530445222 = 128063060228416968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253044521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148708 + ... + 150399.

It is an arithmetic number, because the mean of its divisors is an integer number (23330424).

Almost surely, 2253044522 is an apocalyptic number.

253044522 is an abundant number, since it is smaller than the sum of its proper divisors (306885654).

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

253044522 is a wasteful number, since it uses less digits than its factorization.

253044522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299162 (or 299159 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 253044522 is about 15907.3731961000. The cubic root of 253044522 is about 632.5074520934.

Adding to 253044522 its reverse (225440352), we get a palindrome (478484874).

The spelling of 253044522 in words is "two hundred fifty-three million, forty-four thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 299107 598214 897321 1794642 2691963 5383926 14058029 28116058 42174087 84348174 126522261 253044522