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225268929 = 3225029881
BaseRepresentation
bin11010110110101…
…01010011000001
3120200212211212200
431123111103001
5430132101204
634204143413
75403516504
oct1533252301
9520784780
10225268929
11106181976
1263537b69
1337893a32
1421cbd13b
1514b9b539
hexd6d54c1

225268929 has 6 divisors (see below), whose sum is σ = 325388466. Its totient is φ = 150179280.

The previous prime is 225268907. The next prime is 225268933. The reversal of 225268929 is 929862522.

225268929 is a `hidden beast` number, since 22 + 526 + 89 + 29 = 666.

225268929 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 only one way, i.e., 208744704 + 16524225 = 14448^2 + 4065^2 .

It is a de Polignac number, because none of the positive numbers 2k-225268929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225268949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12514932 + ... + 12514949.

It is an arithmetic number, because the mean of its divisors is an integer number (54231411).

Almost surely, 2225268929 is an apocalyptic number.

It is an amenable number.

225268929 is a deficient number, since it is larger than the sum of its proper divisors (100119537).

225268929 is a wasteful number, since it uses less digits than its factorization.

225268929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029887 (or 25029884 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 225268929 is about 15008.9616229771. The cubic root of 225268929 is about 608.4624261138.

The spelling of 225268929 in words is "two hundred twenty-five million, two hundred sixty-eight thousand, nine hundred twenty-nine".

Divisors: 1 3 9 25029881 75089643 225268929