Base | Representation |
---|---|
bin | 1011111000111… |
… | …1010010001001 |
3 | 10110211122201121 |
4 | 2332033102021 |
5 | 100231314321 |
6 | 4540515241 |
7 | 1143613321 |
oct | 276172211 |
9 | 113748647 |
10 | 49869961 |
11 | 26172049 |
12 | 1484bb21 |
13 | a44116b |
14 | 68a2281 |
15 | 45a1441 |
hex | 2f8f489 |
49869961 has 8 divisors (see below), whose sum is σ = 51068160. Its totient is φ = 48677568.
The previous prime is 49869947. The next prime is 49869971. The reversal of 49869961 is 16996894.
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 49869961 - 25 = 49869929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 49869899 and 49869908.
It is not an unprimeable number, because it can be changed into a prime (49869901) 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, 19425 + ... + 21841.
It is an arithmetic number, because the mean of its divisors is an integer number (6383520).
Almost surely, 249869961 is an apocalyptic number.
It is an amenable number.
49869961 is a deficient number, since it is larger than the sum of its proper divisors (1198199).
49869961 is a wasteful number, since it uses less digits than its factorization.
49869961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2903.
The product of its digits is 839808, while the sum is 52.
The square root of 49869961 is about 7061.8666795685. The cubic root of 49869961 is about 368.0834940708.
The spelling of 49869961 in words is "forty-nine million, eight hundred sixty-nine thousand, nine hundred sixty-one".
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