Search a number
-
+
227449147 is a prime number
BaseRepresentation
bin11011000111010…
…01100100111011
3120211222121120111
431203221210323
5431211333042
634323005151
75431200022
oct1543514473
9524877514
10227449147
11107430a02
12642097b7
13381781c3
14222c98b9
1514e7c517
hexd8e993b

227449147 has 2 divisors, whose sum is σ = 227449148. Its totient is φ = 227449146.

The previous prime is 227449141. The next prime is 227449163. The reversal of 227449147 is 741944722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227449147 - 227 = 93231419 is a prime.

It is a super-2 number, since 2×2274491472 = 103466228942055218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227449141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113724573 + 113724574.

It is an arithmetic number, because the mean of its divisors is an integer number (113724574).

Almost surely, 2227449147 is an apocalyptic number.

227449147 is a deficient number, since it is larger than the sum of its proper divisors (1).

227449147 is an equidigital number, since it uses as much as digits as its factorization.

227449147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 227449147 is about 15081.4172742485. The cubic root of 227449147 is about 610.4190858355.

The spelling of 227449147 in words is "two hundred twenty-seven million, four hundred forty-nine thousand, one hundred forty-seven".