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225530502 = 23231634279
BaseRepresentation
bin11010111000101…
…01001010000110
3120201101010200120
431130111022012
5430213434002
634213522410
75405656221
oct1534251206
9521333616
10225530502
1110634044a
1263643406
1337955b02
1421d4a5b8
1514bedcbc
hexd715286

225530502 has 16 divisors (see below), whose sum is σ = 470672640. Its totient is φ = 71908232.

The previous prime is 225530497. The next prime is 225530519. The reversal of 225530502 is 205035522.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 817002 + ... + 817277.

It is an arithmetic number, because the mean of its divisors is an integer number (29417040).

Almost surely, 2225530502 is an apocalyptic number.

225530502 is an abundant number, since it is smaller than the sum of its proper divisors (245142138).

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

225530502 is a wasteful number, since it uses less digits than its factorization.

225530502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634307.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 225530502 is about 15017.6729888488. The cubic root of 225530502 is about 608.6978421863.

The spelling of 225530502 in words is "two hundred twenty-five million, five hundred thirty thousand, five hundred two".

Divisors: 1 2 3 6 23 46 69 138 1634279 3268558 4902837 9805674 37588417 75176834 112765251 225530502