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402241225 = 5219184239
BaseRepresentation
bin10111111110011…
…011011011001001
31001000212222020011
4113332123123021
51310433204400
6103525231521
712652664641
oct2776333311
91030788204
10402241225
11197066871
12b28625a1
1365447779
143b5c9521
15254a78ba
hex17f9b6c9

402241225 has 12 divisors (see below), whose sum is σ = 501396480. Its totient is φ = 320104400.

The previous prime is 402241193. The next prime is 402241247. The reversal of 402241225 is 522142204.

It is not a de Polignac number, because 402241225 - 25 = 402241193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402241196 and 402241205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37345 + ... + 46894.

It is an arithmetic number, because the mean of its divisors is an integer number (41783040).

Almost surely, 2402241225 is an apocalyptic number.

It is an amenable number.

402241225 is a deficient number, since it is larger than the sum of its proper divisors (99155255).

402241225 is a wasteful number, since it uses less digits than its factorization.

402241225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84440 (or 84435 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 402241225 is about 20055.9523583399. The cubic root of 402241225 is about 738.1798614453.

Adding to 402241225 its reverse (522142204), we get a palindrome (924383429).

The spelling of 402241225 in words is "four hundred two million, two hundred forty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 191 955 4775 84239 421195 2105975 16089649 80448245 402241225