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275225268 = 223234432251
BaseRepresentation
bin10000011001111…
…001101010110100
3201011212220002110
4100121321222310
51030424202033
643151011020
76551243013
oct2031715264
9634786073
10275225268
111313a28aa
1278209a70
13450352b6
14287a4a7a
1519268363
hex10679ab4

275225268 has 48 divisors (see below), whose sum is σ = 671924736. Its totient is φ = 87516000.

The previous prime is 275225267. The next prime is 275225273. The reversal of 275225268 is 862522572.

275225268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275225267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121143 + ... + 123393.

It is an arithmetic number, because the mean of its divisors is an integer number (13998432).

Almost surely, 2275225268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275225268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335962368).

275225268 is an abundant number, since it is smaller than the sum of its proper divisors (396699468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275225268 is a wasteful number, since it uses less digits than its factorization.

275225268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 275225268 is about 16589.9146471584. The cubic root of 275225268 is about 650.4732395900.

The spelling of 275225268 in words is "two hundred seventy-five million, two hundred twenty-five thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 443 886 1329 1772 2251 2658 4502 5316 6753 9004 10189 13506 20378 27012 30567 40756 51773 61134 103546 122268 155319 207092 310638 621276 997193 1994386 2991579 3988772 5983158 11966316 22935439 45870878 68806317 91741756 137612634 275225268