Base | Representation |
---|---|
bin | 11011000110110… |
… | …10001110010101 |
3 | 120211212102022101 |
4 | 31203122032111 |
5 | 431202330021 |
6 | 34321402101 |
7 | 5430515464 |
oct | 1543321625 |
9 | 524772271 |
10 | 227386261 |
11 | 107398733 |
12 | 64199331 |
13 | 381556ab |
14 | 222b09db |
15 | 14e68a91 |
hex | d8da395 |
227386261 has 4 divisors (see below), whose sum is σ = 229176832. Its totient is φ = 225595692.
The previous prime is 227386241. The next prime is 227386267. The reversal of 227386261 is 162683722.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 227386261 - 221 = 225289109 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 227386261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227386267) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895095 + ... + 895348.
It is an arithmetic number, because the mean of its divisors is an integer number (57294208).
Almost surely, 2227386261 is an apocalyptic number.
It is an amenable number.
227386261 is a deficient number, since it is larger than the sum of its proper divisors (1790571).
227386261 is a wasteful number, since it uses less digits than its factorization.
227386261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1790570.
The product of its digits is 48384, while the sum is 37.
The square root of 227386261 is about 15079.3322464889. The cubic root of 227386261 is about 610.3628236578.
The spelling of 227386261 in words is "two hundred twenty-seven million, three hundred eighty-six thousand, two hundred sixty-one".
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