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115012225 = 52171914243
BaseRepresentation
bin1101101101011…
…11001010000001
322000102020010001
412312233022001
5213420342400
615225040001
72564405416
oct666571201
9260366101
10115012225
1159a15429
1232626001
131aa9b893
14113bc10d
15a16ca6a
hex6daf281

115012225 has 24 divisors (see below), whose sum is σ = 158963040. Its totient is φ = 82033920.

The previous prime is 115012223. The next prime is 115012277. The reversal of 115012225 is 522210511.

It is not a de Polignac number, because 115012225 - 21 = 115012223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (115012223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (6623460).

Almost surely, 2115012225 is an apocalyptic number.

It is an amenable number.

115012225 is a deficient number, since it is larger than the sum of its proper divisors (43950815).

115012225 is a wasteful number, since it uses less digits than its factorization.

115012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289 (or 14284 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 115012225 is about 10724.3752731803. The cubic root of 115012225 is about 486.3116442357.

Adding to 115012225 its reverse (522210511), we get a palindrome (637222736).

The spelling of 115012225 in words is "one hundred fifteen million, twelve thousand, two hundred twenty-five".

Divisors: 1 5 17 19 25 85 95 323 425 475 1615 8075 14243 71215 242131 270617 356075 1210655 1353085 4600489 6053275 6765425 23002445 115012225