Search a number
-
+
252234424 = 231319127649
BaseRepresentation
bin11110000100011…
…00101010111000
3122120121211120201
433002030222320
51004033000144
641010131544
76151646221
oct1702145270
9576554521
10252234424
1111a41a502
1270580bb4
1340345750
14256dc248
15172261d4
hexf08cab8

252234424 has 32 divisors (see below), whose sum is σ = 536130000. Its totient is φ = 110287872.

The previous prime is 252234413. The next prime is 252234461. The reversal of 252234424 is 424432252.

It is a super-2 number, since 2×2522344242 = 127244409301223552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252234392 and 252234401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61849 + ... + 65800.

Almost surely, 2252234424 is an apocalyptic number.

It is an amenable number.

252234424 is an abundant number, since it is smaller than the sum of its proper divisors (283895576).

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

252234424 is a wasteful number, since it uses less digits than its factorization.

252234424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127687 (or 127683 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 252234424 is about 15881.8898119840. The cubic root of 252234424 is about 631.8317596830.

Adding to 252234424 its reverse (424432252), we get a palindrome (676666676).

The spelling of 252234424 in words is "two hundred fifty-two million, two hundred thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 127649 255298 510596 1021192 1659437 2425331 3318874 4850662 6637748 9701324 13275496 19402648 31529303 63058606 126117212 252234424