Base | Representation |
---|---|
bin | 1010111111001111… |
… | …1100100101100001 |
3 | 21121120020202002212 |
4 | 2233303330211201 |
5 | 22020101132210 |
6 | 1204404451505 |
7 | 133044305156 |
oct | 25763744541 |
9 | 7546222085 |
10 | 2949630305 |
11 | 1283a979a6 |
12 | 6a39a9b95 |
13 | 380129a9b |
14 | 1dda5422d |
15 | 123e44805 |
hex | afcfc961 |
2949630305 has 16 divisors (see below), whose sum is σ = 3761133264. Its totient is φ = 2212976640.
The previous prime is 2949630293. The next prime is 2949630317. The reversal of 2949630305 is 5030369492.
It is an interprime number because it is at equal distance from previous prime (2949630293) and next prime (2949630317).
It can be written as a sum of positive squares in 8 ways, for example, as 2334784 + 2947295521 = 1528^2 + 54289^2 .
It is not a de Polignac number, because 2949630305 - 210 = 2949629281 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37862 + ... + 85631.
It is an arithmetic number, because the mean of its divisors is an integer number (235070829).
Almost surely, 22949630305 is an apocalyptic number.
It is an amenable number.
2949630305 is a deficient number, since it is larger than the sum of its proper divisors (811502959).
2949630305 is a wasteful number, since it uses less digits than its factorization.
2949630305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123796.
The product of its (nonzero) digits is 174960, while the sum is 41.
The square root of 2949630305 is about 54310.4990310345. The cubic root of 2949630305 is about 1434.1322283658.
Adding to 2949630305 its reverse (5030369492), we get a palindrome (7979999797).
The spelling of 2949630305 in words is "two billion, nine hundred forty-nine million, six hundred thirty thousand, three hundred five".
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