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355225225 = 52231733571
BaseRepresentation
bin10101001011000…
…100111010001001
3220202102022101211
4111023010322021
51211414201400
655125413121
711542236025
oct2513047211
9822368354
10355225225
11172573a73
129ab6a1a1
1358795654
143526b385
15212bbdba
hex152c4e89

355225225 has 24 divisors (see below), whose sum is σ = 462416832. Its totient is φ = 270177600.

The previous prime is 355225219. The next prime is 355225231. The reversal of 355225225 is 522522553.

It is an interprime number because it is at equal distance from previous prime (355225219) and next prime (355225231).

It is not a de Polignac number, because 355225225 - 27 = 355225097 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 97690 + ... + 101260.

It is an arithmetic number, because the mean of its divisors is an integer number (19267368).

Almost surely, 2355225225 is an apocalyptic number.

It is an amenable number.

355225225 is a deficient number, since it is larger than the sum of its proper divisors (107191607).

355225225 is a wasteful number, since it uses less digits than its factorization.

355225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3772 counting only the distinct ones).

The product of its digits is 30000, while the sum is 31.

The square root of 355225225 is about 18847.4195846540. The cubic root of 355225225 is about 708.2195852718.

Adding to 355225225 its reverse (522522553), we get a palindrome (877747778).

The spelling of 355225225 in words is "three hundred fifty-five million, two hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 5 23 25 115 173 575 865 3571 3979 4325 17855 19895 82133 89275 99475 410665 617783 2053325 3088915 14209009 15444575 71045045 355225225