Base | Representation |
---|---|
bin | 11011000100101… |
… | …11101111101101 |
3 | 120211100120210100 |
4 | 31202113233231 |
5 | 431120121330 |
6 | 34311501313 |
7 | 5425302561 |
oct | 1542275755 |
9 | 524316710 |
10 | 227113965 |
11 | 1072220a1 |
12 | 64087839 |
13 | 3808b780 |
14 | 2223d6a1 |
15 | 14e13060 |
hex | d897bed |
227113965 has 96 divisors (see below), whose sum is σ = 460658016. Its totient is φ = 102481920.
The previous prime is 227113963. The next prime is 227114039. The reversal of 227113965 is 569311722.
It can be written as a sum of positive squares in 16 ways, for example, as 168039369 + 59074596 = 12963^2 + 7686^2 .
It is not a de Polignac number, because 227113965 - 21 = 227113963 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227113961) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 407467 + ... + 408023.
It is an arithmetic number, because the mean of its divisors is an integer number (4798521).
Almost surely, 2227113965 is an apocalyptic number.
It is an amenable number.
227113965 is an abundant number, since it is smaller than the sum of its proper divisors (233544051).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227113965 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (227113964) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (639).
227113965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 639 (or 636 counting only the distinct ones).
The product of its digits is 22680, while the sum is 36.
The square root of 227113965 is about 15070.3007601043. The cubic root of 227113965 is about 610.1190889948.
The spelling of 227113965 in words is "two hundred twenty-seven million, one hundred thirteen thousand, nine hundred sixty-five".
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