Base | Representation |
---|---|
bin | 1011101011111… |
… | …1100101100111 |
3 | 10102020102202101 |
4 | 2322333211213 |
5 | 100022103424 |
6 | 4510352531 |
7 | 1133441143 |
oct | 272774547 |
9 | 112212671 |
10 | 49019239 |
11 | 25740975 |
12 | 144bb747 |
13 | a203b89 |
14 | 6720223 |
15 | 4484344 |
hex | 2ebf967 |
49019239 has 8 divisors (see below), whose sum is σ = 49740912. Its totient is φ = 48302400.
The previous prime is 49019237. The next prime is 49019249. The reversal of 49019239 is 93291094.
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 49019239 - 21 = 49019237 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 49019198 and 49019207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49019237) 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, 22492 + ... + 24574.
It is an arithmetic number, because the mean of its divisors is an integer number (6217614).
Almost surely, 249019239 is an apocalyptic number.
49019239 is a deficient number, since it is larger than the sum of its proper divisors (721673).
49019239 is a wasteful number, since it uses less digits than its factorization.
49019239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2417.
The product of its (nonzero) digits is 17496, while the sum is 37.
The square root of 49019239 is about 7001.3740794218. The cubic root of 49019239 is about 365.9784568326.
The spelling of 49019239 in words is "forty-nine million, nineteen thousand, two hundred thirty-nine".
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