Base | Representation |
---|---|
bin | 11011000111101… |
… | …11100011100001 |
3 | 120212002112010000 |
4 | 31203313203201 |
5 | 431220201101 |
6 | 34324130213 |
7 | 5431525653 |
oct | 1543674341 |
9 | 525075100 |
10 | 227506401 |
11 | 10746aa21 |
12 | 64236969 |
13 | 38198295 |
14 | 223026d3 |
15 | 14e8e486 |
hex | d8f78e1 |
227506401 has 10 divisors (see below), whose sum is σ = 339855362. Its totient is φ = 151670880.
The previous prime is 227506379. The next prime is 227506459. The reversal of 227506401 is 104605722.
It can be written as a sum of positive squares in only one way, i.e., 221861025 + 5645376 = 14895^2 + 2376^2 .
It is not a de Polignac number, because 227506401 - 213 = 227498209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (227506001) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1404280 + ... + 1404441.
Almost surely, 2227506401 is an apocalyptic number.
It is an amenable number.
227506401 is a deficient number, since it is larger than the sum of its proper divisors (112348961).
227506401 is an equidigital number, since it uses as much as digits as its factorization.
227506401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808733 (or 2808724 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 227506401 is about 15083.3153185896. The cubic root of 227506401 is about 610.4703002171.
The spelling of 227506401 in words is "two hundred twenty-seven million, five hundred six thousand, four hundred one".
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