Base | Representation |
---|---|
bin | 1011100000000… |
… | …0010010100001 |
3 | 10100202121220201 |
4 | 2320000102201 |
5 | 44322020211 |
6 | 4441505201 |
7 | 1123665544 |
oct | 270002241 |
9 | 110677821 |
10 | 48235681 |
11 | 252561aa |
12 | 141a2201 |
13 | 9cbb330 |
14 | 659885b |
15 | 437c0c1 |
hex | 2e004a1 |
48235681 has 16 divisors (see below), whose sum is σ = 55572048. Its totient is φ = 41472000.
The previous prime is 48235657. The next prime is 48235717. The reversal of 48235681 is 18653284.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 4477456 + 43758225 = 2116^2 + 6615^2 .
It is a 3-Lehmer number, since φ(48235681) divides (48235681-1)3.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48235681 is a prime.
It is a super-2 number, since 2×482356812 = 4653361843067522, which contains 22 as substring.
It is a deceptive number, since it divides R48235680.
It is a self number, because there is not a number n which added to its sum of digits gives 48235681.
It is not an unprimeable number, because it can be changed into a prime (48235601) 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, 21241 + ... + 23401.
It is an arithmetic number, because the mean of its divisors is an integer number (3473253).
Almost surely, 248235681 is an apocalyptic number.
It is an amenable number.
48235681 is a deficient number, since it is larger than the sum of its proper divisors (7336367).
48235681 is a wasteful number, since it uses less digits than its factorization.
48235681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2292.
The product of its digits is 46080, while the sum is 37.
The square root of 48235681 is about 6945.1912140704. The cubic root of 48235681 is about 364.0179543734.
It can be divided in two parts, 482 and 35681, that added together give a palindrome (36163).
The spelling of 48235681 in words is "forty-eight million, two hundred thirty-five thousand, six hundred eighty-one".
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