Base | Representation |
---|---|
bin | 1100100111111… |
… | …10001110010101 |
3 | 21101021012222112 |
4 | 12103332032111 |
5 | 204102231101 |
6 | 14301440405 |
7 | 2424061103 |
oct | 623761625 |
9 | 241235875 |
10 | 105898901 |
11 | 54860459 |
12 | 2b570105 |
13 | 18c2a794 |
14 | 100c8c73 |
15 | 946c6bb |
hex | 64fe395 |
105898901 has 2 divisors, whose sum is σ = 105898902. Its totient is φ = 105898900.
The previous prime is 105898889. The next prime is 105898931. The reversal of 105898901 is 109898501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 103042801 + 2856100 = 10151^2 + 1690^2 .
It is an emirp because it is prime and its reverse (109898501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 105898901 - 210 = 105897877 is a prime.
It is a super-2 number, since 2×1058989012 = 22429154466015602, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105898931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52949450 + 52949451.
It is an arithmetic number, because the mean of its divisors is an integer number (52949451).
Almost surely, 2105898901 is an apocalyptic number.
It is an amenable number.
105898901 is a deficient number, since it is larger than the sum of its proper divisors (1).
105898901 is an equidigital number, since it uses as much as digits as its factorization.
105898901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 41.
The square root of 105898901 is about 10290.7191682603. The cubic root of 105898901 is about 473.1118410356. Note that the first 3 decimals are identical.
The spelling of 105898901 in words is "one hundred five million, eight hundred ninety-eight thousand, nine hundred one".
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