Base | Representation |
---|---|
bin | 1011100010100… |
… | …0010000011001 |
3 | 10101001221110211 |
4 | 2320220100121 |
5 | 44342240020 |
6 | 4445211121 |
7 | 1125250036 |
oct | 270502031 |
9 | 111057424 |
10 | 48399385 |
11 | 253581a1 |
12 | 14260aa1 |
13 | a0479b8 |
14 | 65dc38d |
15 | 43b085a |
hex | 2e28419 |
48399385 has 4 divisors (see below), whose sum is σ = 58079268. Its totient is φ = 38719504.
The previous prime is 48399371. The next prime is 48399389. The reversal of 48399385 is 58399384.
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 28933641 + 19465744 = 5379^2 + 4412^2 .
It is a cyclic number.
It is not a de Polignac number, because 48399385 - 25 = 48399353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48399389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839934 + ... + 4839943.
It is an arithmetic number, because the mean of its divisors is an integer number (14519817).
Almost surely, 248399385 is an apocalyptic number.
It is an amenable number.
48399385 is a deficient number, since it is larger than the sum of its proper divisors (9679883).
48399385 is an equidigital number, since it uses as much as digits as its factorization.
48399385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9679882.
The product of its digits is 933120, while the sum is 49.
The square root of 48399385 is about 6956.9666522127. The cubic root of 48399385 is about 364.4292951522.
Subtracting 48399385 from its reverse (58399384), we obtain a palindrome (9999999).
It can be divided in two parts, 48399 and 385, that added together give a palindrome (48784).
The spelling of 48399385 in words is "forty-eight million, three hundred ninety-nine thousand, three hundred eighty-five".
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