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110101225 = 5213338773
BaseRepresentation
bin1101001000000…
…00001011101001
321200011201111011
412210000023221
5211141214400
614531503521
72504562553
oct644001351
9250151434
10110101225
1157170753
1230a57ba1
1319a6c470
14108a04d3
1599ec8ba
hex69002e9

110101225 has 12 divisors (see below), whose sum is σ = 147027916. Its totient is φ = 81305280.

The previous prime is 110101217. The next prime is 110101237. The reversal of 110101225 is 522101011.

It can be written as a sum of positive squares in 6 ways, for example, as 207936 + 109893289 = 456^2 + 10483^2 .

It is not a de Polignac number, because 110101225 - 23 = 110101217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169062 + ... + 169711.

Almost surely, 2110101225 is an apocalyptic number.

It is an amenable number.

110101225 is a deficient number, since it is larger than the sum of its proper divisors (36926691).

110101225 is a wasteful number, since it uses less digits than its factorization.

110101225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338796 (or 338791 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 110101225 is about 10492.9130845538. The cubic root of 110101225 is about 479.2889138207.

Adding to 110101225 its reverse (522101011), we get a palindrome (632202236).

The spelling of 110101225 in words is "one hundred ten million, one hundred one thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 338773 1693865 4404049 8469325 22020245 110101225