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225260401 = 1012230301
BaseRepresentation
bin11010110110100…
…11001101110001
3120200212102011211
431123103031301
5430131313101
634204040121
75403452602
oct1533231561
9520772154
10225260401
11106176523
1263533041
133788cba2
1421cb9da9
1514b98c51
hexd6d3371

225260401 has 4 divisors (see below), whose sum is σ = 227490804. Its totient is φ = 223030000.

The previous prime is 225260383. The next prime is 225260411. The reversal of 225260401 is 104062522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219010401 + 6250000 = 14799^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 225260401 - 25 = 225260369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225260411) 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, 1115050 + ... + 1115251.

It is an arithmetic number, because the mean of its divisors is an integer number (56872701).

Almost surely, 2225260401 is an apocalyptic number.

It is an amenable number.

225260401 is a deficient number, since it is larger than the sum of its proper divisors (2230403).

225260401 is a wasteful number, since it uses less digits than its factorization.

225260401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230402.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 225260401 is about 15008.6775233529. The cubic root of 225260401 is about 608.4547478348.

The spelling of 225260401 in words is "two hundred twenty-five million, two hundred sixty thousand, four hundred one".

Divisors: 1 101 2230301 225260401