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225402353 = 1183271911
BaseRepresentation
bin11010110111101…
…01110111110001
3120201010121220022
431123311313301
5430200333403
634211053225
75404613501
oct1533656761
9521117808
10225402353
11106263140
12635a1215
133790c697
1421d15a01
1514bc5d38
hexd6f5df1

225402353 has 16 divisors (see below), whose sum is σ = 250048512. Its totient is φ = 201474000.

The previous prime is 225402329. The next prime is 225402391. The reversal of 225402353 is 353204522.

It is a cyclic number.

It is not a de Polignac number, because 225402353 - 214 = 225385969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225402053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 246968 + ... + 247878.

It is an arithmetic number, because the mean of its divisors is an integer number (15628032).

Almost surely, 2225402353 is an apocalyptic number.

It is an amenable number.

225402353 is a deficient number, since it is larger than the sum of its proper divisors (24646159).

225402353 is a wasteful number, since it uses less digits than its factorization.

225402353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225402353 is about 15013.4057761722. The cubic root of 225402353 is about 608.5825306608.

Adding to 225402353 its reverse (353204522), we get a palindrome (578606875).

The spelling of 225402353 in words is "two hundred twenty-five million, four hundred two thousand, three hundred fifty-three".

Divisors: 1 11 83 271 911 913 2981 10021 22493 75613 246881 247423 831743 2715691 20491123 225402353