Base | Representation |
---|---|
bin | 11011001001101… |
… | …01011110111101 |
3 | 120212120102001211 |
4 | 31210311132331 |
5 | 431301310221 |
6 | 34333404421 |
7 | 5433633334 |
oct | 1544653675 |
9 | 525512054 |
10 | 227760061 |
11 | 107623561 |
12 | 64339711 |
13 | 38256889 |
14 | 2236ad1b |
15 | 14ede6e1 |
hex | d9357bd |
227760061 has 2 divisors, whose sum is σ = 227760062. Its totient is φ = 227760060.
The previous prime is 227760047. The next prime is 227760079. The reversal of 227760061 is 160067722.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 209960100 + 17799961 = 14490^2 + 4219^2 .
It is a cyclic number.
It is not a de Polignac number, because 227760061 - 29 = 227759549 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (227760041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113880030 + 113880031.
It is an arithmetic number, because the mean of its divisors is an integer number (113880031).
Almost surely, 2227760061 is an apocalyptic number.
It is an amenable number.
227760061 is a deficient number, since it is larger than the sum of its proper divisors (1).
227760061 is an equidigital number, since it uses as much as digits as its factorization.
227760061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 227760061 is about 15091.7216049064. The cubic root of 227760061 is about 610.6970987895.
The spelling of 227760061 in words is "two hundred twenty-seven million, seven hundred sixty thousand, sixty-one".
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