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115252225 = 52113747241
BaseRepresentation
bin1101101111010…
…01110000000001
322000212102022221
412313221300001
5214001032400
615234131041
72566425214
oct667516001
9260772287
10115252225
115a069780
1232720a81
131ab53baa
141144177b
15a1b8c1a
hex6de9c01

115252225 has 48 divisors (see below), whose sum is σ = 164203776. Its totient is φ = 79488000.

The previous prime is 115252217. The next prime is 115252237. The reversal of 115252225 is 522252511.

It is not a de Polignac number, because 115252225 - 23 = 115252217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 115252225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478105 + ... + 478345.

It is an arithmetic number, because the mean of its divisors is an integer number (3420912).

Almost surely, 2115252225 is an apocalyptic number.

It is an amenable number.

115252225 is a deficient number, since it is larger than the sum of its proper divisors (48951551).

115252225 is a wasteful number, since it uses less digits than its factorization.

115252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 341 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 115252225 is about 10735.5589048731. The cubic root of 115252225 is about 486.6496770095.

The spelling of 115252225 in words is "one hundred fifteen million, two hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 11 25 37 47 55 185 235 241 275 407 517 925 1175 1205 1739 2035 2585 2651 6025 8695 8917 10175 11327 12925 13255 19129 43475 44585 56635 66275 95645 98087 124597 222925 283175 419099 478225 490435 622985 2095495 2452175 3114925 4610089 10477475 23050445 115252225