Base | Representation |
---|---|
bin | 1011100011111… |
… | …1010010100011 |
3 | 10101020201220010 |
4 | 2320333102203 |
5 | 44403244411 |
6 | 4451220003 |
7 | 1126122066 |
oct | 270772243 |
9 | 111221803 |
10 | 48493731 |
11 | 25412070 |
12 | 142a7603 |
13 | a07b920 |
14 | 66248dd |
15 | 43cd7a6 |
hex | 2e3f4a3 |
48493731 has 16 divisors (see below), whose sum is σ = 75962880. Its totient is φ = 27129120.
The previous prime is 48493721. The next prime is 48493733. The reversal of 48493731 is 13739484.
It is not a de Polignac number, because 48493731 - 25 = 48493699 is a prime.
It is a super-2 number, since 2×484937312 = 4703283892600722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 48493731.
It is not an unprimeable number, because it can be changed into a prime (48493733) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56091 + ... + 56948.
It is an arithmetic number, because the mean of its divisors is an integer number (4747680).
Almost surely, 248493731 is an apocalyptic number.
48493731 is a deficient number, since it is larger than the sum of its proper divisors (27469149).
48493731 is a wasteful number, since it uses less digits than its factorization.
48493731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113066.
The product of its digits is 72576, while the sum is 39.
The square root of 48493731 is about 6963.7440360771. The cubic root of 48493731 is about 364.6659381703.
The spelling of 48493731 in words is "forty-eight million, four hundred ninety-three thousand, seven hundred thirty-one".
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