Base | Representation |
---|---|
bin | 1011100010110… |
… | …0010011001001 |
3 | 10101002210012011 |
4 | 2320230103021 |
5 | 44343302240 |
6 | 4445415521 |
7 | 1125346234 |
oct | 270542311 |
9 | 111083164 |
10 | 48415945 |
11 | 25369686 |
12 | 1426a5a1 |
13 | a0523b6 |
14 | 660441b |
15 | 43b56ea |
hex | 2e2c4c9 |
48415945 has 4 divisors (see below), whose sum is σ = 58099140. Its totient is φ = 38732752.
The previous prime is 48415921. The next prime is 48415981. The reversal of 48415945 is 54951484.
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 30063289 + 18352656 = 5483^2 + 4284^2 .
It is a cyclic number.
It is not a de Polignac number, because 48415945 - 221 = 46318793 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 48415898 and 48415907.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841590 + ... + 4841599.
It is an arithmetic number, because the mean of its divisors is an integer number (14524785).
Almost surely, 248415945 is an apocalyptic number.
It is an amenable number.
48415945 is a deficient number, since it is larger than the sum of its proper divisors (9683195).
48415945 is an equidigital number, since it uses as much as digits as its factorization.
48415945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9683194.
The product of its digits is 115200, while the sum is 40.
The square root of 48415945 is about 6958.1567243057. The cubic root of 48415945 is about 364.4708539514.
The spelling of 48415945 in words is "forty-eight million, four hundred fifteen thousand, nine hundred forty-five".
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