Base | Representation |
---|---|
bin | 1111000010000… |
… | …0110100011111 |
3 | 11101122012221211 |
4 | 3300200310133 |
5 | 112120031431 |
6 | 10131205251 |
7 | 1363623205 |
oct | 360406437 |
9 | 141565854 |
10 | 63048991 |
11 | 32653705 |
12 | 19146827 |
13 | 100a69c5 |
14 | 8533075 |
15 | 58062b1 |
hex | 3c20d1f |
63048991 has 4 divisors (see below), whose sum is σ = 63401400. Its totient is φ = 62696584.
The previous prime is 63048989. The next prime is 63049033. The reversal of 63048991 is 19984036.
63048991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 63048991 - 21 = 63048989 is a prime.
It is a super-2 number, since 2×630489912 = 7950350532236162, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63048901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175936 + ... + 176293.
It is an arithmetic number, because the mean of its divisors is an integer number (15850350).
Almost surely, 263048991 is an apocalyptic number.
63048991 is a deficient number, since it is larger than the sum of its proper divisors (352409).
63048991 is a wasteful number, since it uses less digits than its factorization.
63048991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352408.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 63048991 is about 7940.3394763700. The cubic root of 63048991 is about 398.0088358602.
The spelling of 63048991 in words is "sixty-three million, forty-eight thousand, nine hundred ninety-one".
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