Base | Representation |
---|---|
bin | 11011000100011… |
… | …10001011001001 |
3 | 120211021121000100 |
4 | 31202032023021 |
5 | 431112343021 |
6 | 34311000013 |
7 | 5425050354 |
oct | 1542161311 |
9 | 524247010 |
10 | 227074761 |
11 | 1071a56a1 |
12 | 64069009 |
13 | 38076984 |
14 | 2222d29b |
15 | 14e06626 |
hex | d88e2c9 |
227074761 has 9 divisors (see below), whose sum is σ = 328062189. Its totient is φ = 151353036.
The previous prime is 227074759. The next prime is 227074777. The reversal of 227074761 is 167470722.
It is a happy number.
The square root of 227074761 is 15069.
It is a perfect power (a square), and thus also a powerful number.
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 227074761 - 21 = 227074759 is a prime.
It is not an unprimeable number, because it can be changed into a prime (227074741) 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 8 ways as a sum of consecutive naturals, for example, 42696 + ... + 47718.
Almost surely, 2227074761 is an apocalyptic number.
227074761 is the 15069-th square number.
227074761 is the 7535-th centered octagonal number.
It is an amenable number.
227074761 is a deficient number, since it is larger than the sum of its proper divisors (100987428).
227074761 is an frugal number, since it uses more digits than its factorization.
227074761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10052 (or 5026 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 36.
The cubic root of 227074761 is about 610.0839810918.
Multiplying 227074761 by its sum of digits (36), we get a square (8174691396 = 904142).
The spelling of 227074761 in words is "two hundred twenty-seven million, seventy-four thousand, seven hundred sixty-one".
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