Search a number
-
+
252218834 = 27171059743
BaseRepresentation
bin11110000100010…
…00110111010010
3122120121001012022
433002020313102
51004032000314
641005531442
76151552610
oct1702106722
9576531168
10252218834
1111a40981a
1270573b82
134033b61a
14256d66b0
151722178e
hexf088dd2

252218834 has 16 divisors (see below), whose sum is σ = 457809408. Its totient is φ = 101735232.

The previous prime is 252218833. The next prime is 252218867. The reversal of 252218834 is 438812252.

It is a super-2 number, since 2×2522188342 = 127228680448639112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252218794 and 252218803.

It is not an unprimeable number, because it can be changed into a prime (252218833) 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 7 ways as a sum of consecutive naturals, for example, 529634 + ... + 530109.

It is an arithmetic number, because the mean of its divisors is an integer number (28613088).

Almost surely, 2252218834 is an apocalyptic number.

252218834 is a deficient number, since it is larger than the sum of its proper divisors (205590574).

252218834 is a wasteful number, since it uses less digits than its factorization.

252218834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059769.

The product of its digits is 30720, while the sum is 35.

The square root of 252218834 is about 15881.3989937914. The cubic root of 252218834 is about 631.8187420836.

The spelling of 252218834 in words is "two hundred fifty-two million, two hundred eighteen thousand, eight hundred thirty-four".

Divisors: 1 2 7 14 17 34 119 238 1059743 2119486 7418201 14836402 18015631 36031262 126109417 252218834