Base | Representation |
---|---|
bin | 1011101011010… |
… | …0100001010001 |
3 | 10102011010120100 |
4 | 2322310201101 |
5 | 100014131110 |
6 | 4505403013 |
7 | 1133162031 |
oct | 272644121 |
9 | 112133510 |
10 | 48973905 |
11 | 2570a902 |
12 | 14499469 |
13 | a1b9356 |
14 | 670b8c1 |
15 | 4475bc0 |
hex | 2eb4851 |
48973905 has 12 divisors (see below), whose sum is σ = 84888180. Its totient is φ = 26119392.
The previous prime is 48973891. The next prime is 48973907. The reversal of 48973905 is 50937984.
It can be written as a sum of positive squares in 2 ways, for example, as 6671889 + 42302016 = 2583^2 + 6504^2 .
It is not a de Polignac number, because 48973905 - 28 = 48973649 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1088309 = 48973905 / (4 + 8 + 9 + 7 + 3 + 9 + 0 + 5).
It is not an unprimeable number, because it can be changed into a prime (48973907) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544110 + ... + 544199.
It is an arithmetic number, because the mean of its divisors is an integer number (7074015).
Almost surely, 248973905 is an apocalyptic number.
48973905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
48973905 is a deficient number, since it is larger than the sum of its proper divisors (35914275).
48973905 is a wasteful number, since it uses less digits than its factorization.
48973905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1088320 (or 1088317 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 48973905 is about 6998.1358232032. The cubic root of 48973905 is about 365.8656005679.
The spelling of 48973905 in words is "forty-eight million, nine hundred seventy-three thousand, nine hundred five".
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