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225682452 = 22326268957
BaseRepresentation
bin11010111001110…
…10010000010100
3120201122212010100
431130322100110
5430233314302
634221054100
75410161222
oct1534722024
9521585110
10225682452
11106434626
12636b7330
13379aa018
1421d89b12
1514c2dd1c
hexd73a414

225682452 has 18 divisors (see below), whose sum is σ = 570475178. Its totient is φ = 75227472.

The previous prime is 225682451. The next prime is 225682453. The reversal of 225682452 is 254286522.

225682452 is a `hidden beast` number, since 22 + 568 + 24 + 52 = 666.

225682452 is digitally balanced in base 3, 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 (225682451) and next prime (225682453).

It can be written as a sum of positive squares in only one way, i.e., 195608196 + 30074256 = 13986^2 + 5484^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6268957 = 225682452 / (2 + 2 + 5 + 6 + 8 + 2 + 4 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225682451) 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 5 ways as a sum of consecutive naturals, for example, 3134443 + ... + 3134514.

Almost surely, 2225682452 is an apocalyptic number.

It is an amenable number.

225682452 is an abundant number, since it is smaller than the sum of its proper divisors (344792726).

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

225682452 is a wasteful number, since it uses less digits than its factorization.

225682452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268967 (or 6268962 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 225682452 is about 15022.7311764539. The cubic root of 225682452 is about 608.8345138296.

The spelling of 225682452 in words is "two hundred twenty-five million, six hundred eighty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 6268957 12537914 18806871 25075828 37613742 56420613 75227484 112841226 225682452