Search a number
-
+
428252 = 22119733
BaseRepresentation
bin1101000100011011100
3210202110012
41220203130
5102201002
613102352
73432356
oct1504334
9722405
10428252
11272830
121879b8
1311cc06
14b20d6
1586d52
hex688dc

428252 has 12 divisors (see below), whose sum is σ = 817656. Its totient is φ = 194640.

The previous prime is 428251. The next prime is 428273. The reversal of 428252 is 252824.

428252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823 + ... + 4910.

It is an arithmetic number, because the mean of its divisors is an integer number (68138).

2428252 is an apocalyptic number.

It is an amenable number.

428252 is a deficient number, since it is larger than the sum of its proper divisors (389404).

428252 is a wasteful number, since it uses less digits than its factorization.

428252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748 (or 9746 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 428252 is about 654.4096576304. The cubic root of 428252 is about 75.3760080520.

Adding to 428252 its sum of digits (23), we get a triangular number (428275 = T925).

It can be divided in two parts, 4282 and 52, that added together give a palindrome (4334).

The spelling of 428252 in words is "four hundred twenty-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 9733 19466 38932 107063 214126 428252