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225118493 = 718338201
BaseRepresentation
bin11010110101100…
…00100100011101
3120200121012111222
431122300210131
5430112242433
634201023125
75402322065
oct1532604435
9520535458
10225118493
11106089946
1263484aa5
1337840412
1421c803a5
1514b6bb98
hexd6b091d

225118493 has 8 divisors (see below), whose sum is σ = 231045696. Its totient is φ = 219268000.

The previous prime is 225118483. The next prime is 225118513. The reversal of 225118493 is 394811522.

225118493 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 225118493 - 28 = 225118237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225118483) 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, 13208 + ... + 24993.

It is an arithmetic number, because the mean of its divisors is an integer number (28880712).

Almost surely, 2225118493 is an apocalyptic number.

It is an amenable number.

225118493 is a deficient number, since it is larger than the sum of its proper divisors (5927203).

225118493 is an equidigital number, since it uses as much as digits as its factorization.

225118493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355.

The product of its digits is 17280, while the sum is 35.

The square root of 225118493 is about 15003.9492467817. The cubic root of 225118493 is about 608.3269509474.

The spelling of 225118493 in words is "two hundred twenty-five million, one hundred eighteen thousand, four hundred ninety-three".

Divisors: 1 71 83 5893 38201 2712271 3170683 225118493