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225310130 = 25193116741
BaseRepresentation
bin11010110110111…
…11010110110010
3120200221221101122
431123133112302
5430134411010
634205102242
75404050563
oct1533372662
9520857348
10225310130
111061aa921
1263557982
13378a9706
1421cd016a
1514ba8855
hexd6df5b2

225310130 has 16 divisors (see below), whose sum is σ = 407663064. Its totient is φ = 89656320.

The previous prime is 225310121. The next prime is 225310147. The reversal of 225310130 is 31013522.

It can be written as a sum of positive squares in 4 ways, for example, as 137569441 + 87740689 = 11729^2 + 9367^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225310099 and 225310108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56441 + ... + 60300.

Almost surely, 2225310130 is an apocalyptic number.

225310130 is a deficient number, since it is larger than the sum of its proper divisors (182352934).

225310130 is a wasteful number, since it uses less digits than its factorization.

225310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116941.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 225310130 is about 15010.3341068745. The cubic root of 225310130 is about 608.4995191597.

Adding to 225310130 its reverse (31013522), we get a palindrome (256323652).

The spelling of 225310130 in words is "two hundred twenty-five million, three hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 193 386 965 1930 116741 233482 583705 1167410 22531013 45062026 112655065 225310130