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225481849 = 10714914143
BaseRepresentation
bin11010111000010…
…01010001111001
3120201021122221121
431130021101321
5430210404344
634212505241
75405364325
oct1534112171
9521248847
10225481849
1110630793a
126361b221
1337939918
1421d36985
1514bde684
hexd709479

225481849 has 8 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 221859696.

The previous prime is 225481847. The next prime is 225481853. The reversal of 225481849 is 948184522.

225481849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225481849 - 21 = 225481847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225481847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8872 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (28641600).

Almost surely, 2225481849 is an apocalyptic number.

It is an amenable number.

225481849 is a deficient number, since it is larger than the sum of its proper divisors (3650951).

225481849 is a wasteful number, since it uses less digits than its factorization.

225481849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14399.

The product of its digits is 184320, while the sum is 43.

The square root of 225481849 is about 15016.0530433267. The cubic root of 225481849 is about 608.6540682020.

The spelling of 225481849 in words is "two hundred twenty-five million, four hundred eighty-one thousand, eight hundred forty-nine".

Divisors: 1 107 149 14143 15943 1513301 2107307 225481849