Base | Representation |
---|---|
bin | 1011100001101… |
… | …1001100011001 |
3 | 10100222020002012 |
4 | 2320123030121 |
5 | 44334032011 |
6 | 4444115305 |
7 | 1124635043 |
oct | 270331431 |
9 | 110866065 |
10 | 48345881 |
11 | 25320a81 |
12 | 14235b35 |
13 | a02953c |
14 | 65c6a93 |
15 | 439ea8b |
hex | 2e1b319 |
48345881 has 4 divisors (see below), whose sum is σ = 48670500. Its totient is φ = 48021264.
The previous prime is 48345877. The next prime is 48345893. The reversal of 48345881 is 18854384.
48345881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 32024281 = 4040^2 + 5659^2 .
It is a cyclic number.
It is not a de Polignac number, because 48345881 - 22 = 48345877 is a prime.
It is a super-2 number, since 2×483458812 = 4674648419332322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48345811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162086 + ... + 162383.
It is an arithmetic number, because the mean of its divisors is an integer number (12167625).
Almost surely, 248345881 is an apocalyptic number.
It is an amenable number.
48345881 is a deficient number, since it is larger than the sum of its proper divisors (324619).
48345881 is a wasteful number, since it uses less digits than its factorization.
48345881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324618.
The product of its digits is 122880, while the sum is 41.
The square root of 48345881 is about 6953.1202348298. The cubic root of 48345881 is about 364.2949572580.
It can be divided in two parts, 483 and 45881, that added together give a palindrome (46364).
The spelling of 48345881 in words is "forty-eight million, three hundred forty-five thousand, eight hundred eighty-one".
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