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225861248 = 271764541
BaseRepresentation
bin11010111011001…
…01111010000000
3120201222221101102
431131211322000
5430310024443
634224553532
75411534414
oct1535457200
9521887342
10225861248
11106546998
12637828a8
1337a40512
1421dd4d44
1514c66cb8
hexd765e80

225861248 has 16 divisors (see below), whose sum is σ = 449958210. Its totient is φ = 112930560.

The previous prime is 225861199. The next prime is 225861289. The reversal of 225861248 is 842168522.

225861248 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., 207129664 + 18731584 = 14392^2 + 4328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882143 + ... + 882398.

Almost surely, 2225861248 is an apocalyptic number.

It is an amenable number.

225861248 is a deficient number, since it is larger than the sum of its proper divisors (224096962).

225861248 is an equidigital number, since it uses as much as digits as its factorization.

225861248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764555 (or 1764543 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 225861248 is about 15028.6808469672. The cubic root of 225861248 is about 608.9952536068.

The spelling of 225861248 in words is "two hundred twenty-five million, eight hundred sixty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 1764541 3529082 7058164 14116328 28232656 56465312 112930624 225861248