Base | Representation |
---|---|
bin | 11011001011010… |
… | …11001000011001 |
3 | 120212222120111100 |
4 | 31211223020121 |
5 | 431330323201 |
6 | 34342222013 |
7 | 5435540100 |
oct | 1545531031 |
9 | 525876440 |
10 | 227979801 |
11 | 107763665 |
12 | 64424909 |
13 | 383028ba |
14 | 223c7037 |
15 | 15034886 |
hex | d96b219 |
227979801 has 27 divisors (see below), whose sum is σ = 383601621. Its totient is φ = 130092984.
The previous prime is 227979799. The next prime is 227979823. The reversal of 227979801 is 108979722.
The square root of 227979801 is 15099.
It is a perfect power (a square), and thus also a powerful number.
227979801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 227979801 - 21 = 227979799 is a prime.
It is not an unprimeable number, because it can be changed into a prime (227979901) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 316720 + ... + 317438.
Almost surely, 2227979801 is an apocalyptic number.
227979801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
227979801 is the 15099-th square number.
227979801 is the 7550-th centered octagonal number.
It is an amenable number.
227979801 is a deficient number, since it is larger than the sum of its proper divisors (155621820).
227979801 is an frugal number, since it uses more digits than its factorization.
227979801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1458 (or 729 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The cubic root of 227979801 is about 610.8934332516.
The spelling of 227979801 in words is "two hundred twenty-seven million, nine hundred seventy-nine thousand, eight hundred one".
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