Base | Representation |
---|---|
bin | 111000100000110… |
… | …110010010001001 |
3 | 2110002002020202221 |
4 | 320200312102021 |
5 | 3420210310144 |
6 | 234025454041 |
7 | 32332005061 |
oct | 7040662211 |
9 | 2402066687 |
10 | 948135049 |
11 | 447219994 |
12 | 225641321 |
13 | 12157ac74 |
14 | 8dcca3a1 |
15 | 58388d84 |
hex | 38836489 |
948135049 has 4 divisors (see below), whose sum is σ = 989358336. Its totient is φ = 906911764.
The previous prime is 948135047. The next prime is 948135053. The reversal of 948135049 is 940531849.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940531849 = 257 ⋅3659657.
It is a cyclic number.
It is not a de Polignac number, because 948135049 - 21 = 948135047 is a prime.
It is a super-2 number, since 2×9481350492 = 1797920142284464802, 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 = 948134996 and 948135014.
It is not an unprimeable number, because it can be changed into a prime (948135043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20611609 + ... + 20611654.
It is an arithmetic number, because the mean of its divisors is an integer number (247339584).
Almost surely, 2948135049 is an apocalyptic number.
It is an amenable number.
948135049 is a deficient number, since it is larger than the sum of its proper divisors (41223287).
948135049 is a wasteful number, since it uses less digits than its factorization.
948135049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41223286.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 948135049 is about 30791.8016523879. The cubic root of 948135049 is about 982.4038754596.
The spelling of 948135049 in words is "nine hundred forty-eight million, one hundred thirty-five thousand, forty-nine".
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