Base | Representation |
---|---|
bin | 1011100111110… |
… | …0011011001011 |
3 | 10101201110101111 |
4 | 2321330123023 |
5 | 44434303024 |
6 | 4500431151 |
7 | 1131214123 |
oct | 271743313 |
9 | 111643344 |
10 | 48744139 |
11 | 25573214 |
12 | 143a84b7 |
13 | a1388b2 |
14 | 668bc83 |
15 | 442ca94 |
hex | 2e7c6cb |
48744139 has 8 divisors (see below), whose sum is σ = 51477840. Its totient is φ = 46027296.
The previous prime is 48744079. The next prime is 48744161. The reversal of 48744139 is 93144784.
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 48744139 - 221 = 46646987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48744439) 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, 1977 + ... + 10069.
It is an arithmetic number, because the mean of its divisors is an integer number (6434730).
Almost surely, 248744139 is an apocalyptic number.
48744139 is a deficient number, since it is larger than the sum of its proper divisors (2733701).
48744139 is a wasteful number, since it uses less digits than its factorization.
48744139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8429.
The product of its digits is 96768, while the sum is 40.
The square root of 48744139 is about 6981.7002943409. The cubic root of 48744139 is about 365.2925383532.
The spelling of 48744139 in words is "forty-eight million, seven hundred forty-four thousand, one hundred thirty-nine".
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