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226831201 = 378397307
BaseRepresentation
bin11011000010100…
…10101101100001
3120210211012220121
431201102231201
5431032044301
634301440241
75423014312
oct1541225541
9523735817
10226831201
11107049703
1263b70081
1337cbcb5c
14221a8609
1514da93a1
hexd852b61

226831201 has 8 divisors (see below), whose sum is σ = 233271360. Its totient is φ = 220407408.

The previous prime is 226831169. The next prime is 226831207. The reversal of 226831201 is 102138622.

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 226831201 - 25 = 226831169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226831207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27390 + ... + 34696.

It is an arithmetic number, because the mean of its divisors is an integer number (29158920).

Almost surely, 2226831201 is an apocalyptic number.

It is an amenable number.

226831201 is a deficient number, since it is larger than the sum of its proper divisors (6440159).

226831201 is an equidigital number, since it uses as much as digits as its factorization.

226831201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 226831201 is about 15060.9163399841. The cubic root of 226831201 is about 609.8657780471.

Adding to 226831201 its reverse (102138622), we get a palindrome (328969823).

The spelling of 226831201 in words is "two hundred twenty-six million, eight hundred thirty-one thousand, two hundred one".

Divisors: 1 37 839 7307 31043 270359 6130573 226831201