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225114920 = 2355627873
BaseRepresentation
bin11010110101011…
…11101100101000
3120200121000121122
431122233230220
5430112134140
634200554412
75402305502
oct1532575450
9520530548
10225114920
11106087198
1263482a08
133783b8c4
1421c7cd72
1514b6aab5
hexd6afb28

225114920 has 16 divisors (see below), whose sum is σ = 506508660. Its totient is φ = 90045952.

The previous prime is 225114893. The next prime is 225114931. The reversal of 225114920 is 29411522.

225114920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 210076036 + 15038884 = 14494^2 + 3878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225114920.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2813897 + ... + 2813976.

Almost surely, 2225114920 is an apocalyptic number.

225114920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225114920 is an abundant number, since it is smaller than the sum of its proper divisors (281393740).

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

225114920 is a wasteful number, since it uses less digits than its factorization.

225114920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627884 (or 5627880 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 225114920 is about 15003.8301776580. The cubic root of 225114920 is about 608.3237325480.

It can be divided in two parts, 2251 and 14920, that added together give a palindrome (17171).

The spelling of 225114920 in words is "two hundred twenty-five million, one hundred fourteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5627873 11255746 22511492 28139365 45022984 56278730 112557460 225114920