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11275225 = 521334693
BaseRepresentation
bin101011000000…
…101111011001
3210012211200221
4223000233121
510341301400
61041400041
7164560243
oct53005731
923184627
1011275225
116401275
123939021
13244a140
1416d7093
15ecac1a
hexac0bd9

11275225 has 12 divisors (see below), whose sum is σ = 15057196. Its totient is φ = 8326080.

The previous prime is 11275223. The next prime is 11275283. The reversal of 11275225 is 52257211.

11275225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 751689 + 10523536 = 867^2 + 3244^2 .

It is not a de Polignac number, because 11275225 - 21 = 11275223 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11275225.

It is not an unprimeable number, because it can be changed into a prime (11275223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17022 + ... + 17671.

Almost surely, 211275225 is an apocalyptic number.

It is an amenable number.

11275225 is a deficient number, since it is larger than the sum of its proper divisors (3781971).

11275225 is a wasteful number, since it uses less digits than its factorization.

11275225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34716 (or 34711 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 11275225 is about 3357.8601817229. The cubic root of 11275225 is about 224.2375840691.

The spelling of 11275225 in words is "eleven million, two hundred seventy-five thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 34693 173465 451009 867325 2255045 11275225