Base | Representation |
---|---|
bin | 1011101011111… |
… | …0000011110011 |
3 | 10102020010011112 |
4 | 2322332003303 |
5 | 100021403404 |
6 | 4510303535 |
7 | 1133413661 |
oct | 272760363 |
9 | 112203145 |
10 | 49012979 |
11 | 257371a4 |
12 | 144b7bab |
13 | a201082 |
14 | 671bc31 |
15 | 448256e |
hex | 2ebe0f3 |
49012979 has 8 divisors (see below), whose sum is σ = 49994688. Its totient is φ = 48038760.
The previous prime is 49012949. The next prime is 49012981. The reversal of 49012979 is 97921094.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49012979 - 216 = 48947443 is a prime.
It is a super-2 number, since 2×490129792 = 4804544220908882, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49012919) 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, 12404 + ... + 15870.
It is an arithmetic number, because the mean of its divisors is an integer number (6249336).
Almost surely, 249012979 is an apocalyptic number.
49012979 is a deficient number, since it is larger than the sum of its proper divisors (981709).
49012979 is a wasteful number, since it uses less digits than its factorization.
49012979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3745.
The product of its (nonzero) digits is 40824, while the sum is 41.
The square root of 49012979 is about 7000.9270100466. The cubic root of 49012979 is about 365.9628770812.
The spelling of 49012979 in words is "forty-nine million, twelve thousand, nine hundred seventy-nine".
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