Base | Representation |
---|---|
bin | 1011011110011… |
… | …0000011100111 |
3 | 10100120011112002 |
4 | 2313212003213 |
5 | 44310100411 |
6 | 4435315515 |
7 | 1123040354 |
oct | 267460347 |
9 | 110504462 |
10 | 48128231 |
11 | 251924a8 |
12 | 1414bb9b |
13 | 9c81458 |
14 | 656b62b |
15 | 435a33b |
hex | 2de60e7 |
48128231 has 8 divisors (see below), whose sum is σ = 49731360. Its totient is φ = 46541088.
The previous prime is 48128209. The next prime is 48128233. The reversal of 48128231 is 13282184.
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 48128231 - 218 = 47866087 is a prime.
It is a super-2 number, since 2×481282312 = 4632653238378722, 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 = 48128194 and 48128203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48128233) 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, 2285 + ... + 10073.
It is an arithmetic number, because the mean of its divisors is an integer number (6216420).
Almost surely, 248128231 is an apocalyptic number.
48128231 is a deficient number, since it is larger than the sum of its proper divisors (1603129).
48128231 is a wasteful number, since it uses less digits than its factorization.
48128231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7993.
The product of its digits is 3072, while the sum is 29.
The square root of 48128231 is about 6937.4513331626. The cubic root of 48128231 is about 363.7474574599.
The spelling of 48128231 in words is "forty-eight million, one hundred twenty-eight thousand, two hundred thirty-one".
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