Base | Representation |
---|---|
bin | 1011100010001… |
… | …1001110011011 |
3 | 10101000220012122 |
4 | 2320203032123 |
5 | 44341110104 |
6 | 4444531455 |
7 | 1125133001 |
oct | 270431633 |
9 | 111026178 |
10 | 48378779 |
11 | 25343769 |
12 | 14250b8b |
13 | a03b4c7 |
14 | 65d4a71 |
15 | 43a96be |
hex | 2e2339b |
48378779 has 8 divisors (see below), whose sum is σ = 49168560. Its totient is φ = 47592576.
The previous prime is 48378773. The next prime is 48378793. The reversal of 48378779 is 97787384.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48378779 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 48378779.
It is not an unprimeable number, because it can be changed into a prime (48378773) 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, 42287 + ... + 43415.
It is an arithmetic number, because the mean of its divisors is an integer number (6146070).
Almost surely, 248378779 is an apocalyptic number.
48378779 is a deficient number, since it is larger than the sum of its proper divisors (789781).
48378779 is a wasteful number, since it uses less digits than its factorization.
48378779 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1789.
The product of its digits is 2370816, while the sum is 53.
The square root of 48378779 is about 6955.4855330164. The cubic root of 48378779 is about 364.3775693158.
The spelling of 48378779 in words is "forty-eight million, three hundred seventy-eight thousand, seven hundred seventy-nine".
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