Base | Representation |
---|---|
bin | 1010111100110101… |
… | …0100101001100001 |
3 | 21120212012100010210 |
4 | 2233031110221201 |
5 | 22010003131444 |
6 | 1203403444333 |
7 | 132562245102 |
oct | 25715245141 |
9 | 7525170123 |
10 | 2939505249 |
11 | 127930188a |
12 | 6a05266a9 |
13 | 37acc3325 |
14 | 1dc57a3a9 |
15 | 1230e47b9 |
hex | af354a61 |
2939505249 has 8 divisors (see below), whose sum is σ = 3926507680. Its totient is φ = 1956086496.
The previous prime is 2939505229. The next prime is 2939505259. The reversal of 2939505249 is 9425059392.
It is a happy number.
2939505249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2939505249 - 28 = 2939504993 is a prime.
It is a super-2 number, since 2×29395052492 = 17281382217797104002, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2939505198 and 2939505207.
It is not an unprimeable number, because it can be changed into a prime (2939505229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894004 + ... + 897285.
It is an arithmetic number, because the mean of its divisors is an integer number (490813460).
Almost surely, 22939505249 is an apocalyptic number.
It is an amenable number.
2939505249 is a deficient number, since it is larger than the sum of its proper divisors (987002431).
2939505249 is a wasteful number, since it uses less digits than its factorization.
2939505249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1791839.
The product of its (nonzero) digits is 874800, while the sum is 48.
The square root of 2939505249 is about 54217.2043635597. The cubic root of 2939505249 is about 1432.4893879438.
The spelling of 2939505249 in words is "two billion, nine hundred thirty-nine million, five hundred five thousand, two hundred forty-nine".
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