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225867297 = 375289099
BaseRepresentation
bin11010111011001…
…11011000100001
3120202000020200110
431131213120201
5430310223142
634225041533
75411561145
oct1535473041
9522006613
10225867297
11106550497
12637862a9
1337a431b6
1421dd7225
1514c6899c
hexd767621

225867297 has 4 divisors (see below), whose sum is σ = 301156400. Its totient is φ = 150578196.

The previous prime is 225867233. The next prime is 225867311. The reversal of 225867297 is 792768522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225867297 - 26 = 225867233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225867217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37644547 + ... + 37644552.

It is an arithmetic number, because the mean of its divisors is an integer number (75289100).

Almost surely, 2225867297 is an apocalyptic number.

It is an amenable number.

225867297 is a deficient number, since it is larger than the sum of its proper divisors (75289103).

225867297 is an equidigital number, since it uses as much as digits as its factorization.

225867297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75289102.

The product of its digits is 846720, while the sum is 48.

The square root of 225867297 is about 15028.8820941546. The cubic root of 225867297 is about 609.0006902476. Note that the first 3 decimals are identical.

The spelling of 225867297 in words is "two hundred twenty-five million, eight hundred sixty-seven thousand, two hundred ninety-seven".

Divisors: 1 3 75289099 225867297