Base | Representation |
---|---|
bin | 110110100001000… |
… | …100100011001001 |
3 | 2100202001110220100 |
4 | 312201010203021 |
5 | 3333121422144 |
6 | 230431520013 |
7 | 31444206102 |
oct | 6641044311 |
9 | 2322043810 |
10 | 914639049 |
11 | 42a320945 |
12 | 216389009 |
13 | 11765094c |
14 | 8968b3a9 |
15 | 5546e269 |
hex | 368448c9 |
914639049 has 27 divisors (see below), whose sum is σ = 1405801813. Its totient is φ = 572923392.
The previous prime is 914639023. The next prime is 914639087. The reversal of 914639049 is 940936419.
The square root of 914639049 is 30243.
It is a perfect power (a square), and thus also a powerful number.
914639049 is a `hidden beast` number, since 9 + 1 + 4 + 639 + 0 + 4 + 9 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 146240649 + 768398400 = 12093^2 + 27720^2 .
It is not a de Polignac number, because 914639049 - 25 = 914639017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 914638995 and 914639013.
It is not an unprimeable number, because it can be changed into a prime (914639449) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1542097 + ... + 1542689.
Almost surely, 2914639049 is an apocalyptic number.
914639049 is the 30243-rd square number.
914639049 is the 15122-nd centered octagonal number.
It is an amenable number.
914639049 is a deficient number, since it is larger than the sum of its proper divisors (491162764).
914639049 is an equidigital number, since it uses as much as digits as its factorization.
914639049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226 (or 613 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The cubic root of 914639049 is about 970.6960140841.
The spelling of 914639049 in words is "nine hundred fourteen million, six hundred thirty-nine thousand, forty-nine".
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