Base | Representation |
---|---|
bin | 110110100001010… |
… | …100101111100101 |
3 | 2100202011211220002 |
4 | 312201110233211 |
5 | 3333131033011 |
6 | 230433151045 |
7 | 31444603352 |
oct | 6641245745 |
9 | 2322154802 |
10 | 914705381 |
11 | 42a366767 |
12 | 2163bb485 |
13 | 117674bb5 |
14 | 896a7629 |
15 | 55483c3b |
hex | 36854be5 |
914705381 has 2 divisors, whose sum is σ = 914705382. Its totient is φ = 914705380.
The previous prime is 914705357. The next prime is 914705447. The reversal of 914705381 is 183507419.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 853224100 + 61481281 = 29210^2 + 7841^2 .
It is an emirp because it is prime and its reverse (183507419) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 914705381 - 26 = 914705317 is a prime.
It is a super-2 number, since 2×9147053812 = 1673371868060710322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (934705381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457352690 + 457352691.
It is an arithmetic number, because the mean of its divisors is an integer number (457352691).
Almost surely, 2914705381 is an apocalyptic number.
It is an amenable number.
914705381 is a deficient number, since it is larger than the sum of its proper divisors (1).
914705381 is an equidigital number, since it uses as much as digits as its factorization.
914705381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 914705381 is about 30244.0966305823. The cubic root of 914705381 is about 970.7194793158.
The spelling of 914705381 in words is "nine hundred fourteen million, seven hundred five thousand, three hundred eighty-one".
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