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225500210 = 25138320899
BaseRepresentation
bin11010111000011…
…01110000110010
3120201022121010122
431130031300302
5430212001320
634213130242
75405502005
oct1534156062
9521277118
10225500210
1110631a711
1263629982
13379450a0
1421d3d53c
1514be4d25
hexd70dc32

225500210 has 32 divisors (see below), whose sum is σ = 442411200. Its totient is φ = 82254528.

The previous prime is 225500173. The next prime is 225500221. The reversal of 225500210 is 12005522.

225500210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (13825350).

Almost surely, 2225500210 is an apocalyptic number.

225500210 is a deficient number, since it is larger than the sum of its proper divisors (216910990).

225500210 is a wasteful number, since it uses less digits than its factorization.

225500210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 225500210 is about 15016.6644099147. The cubic root of 225500210 is about 608.6705886656.

Adding to 225500210 its reverse (12005522), we get a palindrome (237505732).

The spelling of 225500210 in words is "two hundred twenty-five million, five hundred thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 83 130 166 415 830 1079 2158 5395 10790 20899 41798 104495 208990 271687 543374 1358435 1734617 2716870 3469234 8673085 17346170 22550021 45100042 112750105 225500210