Base | Representation |
---|---|
bin | 1011100010100… |
… | …0101111101011 |
3 | 10101002001012222 |
4 | 2320220233223 |
5 | 44342321022 |
6 | 4445224255 |
7 | 1125255626 |
oct | 270505753 |
9 | 111061188 |
10 | 48401387 |
11 | 25359751 |
12 | 1426208b |
13 | a048898 |
14 | 65dcdbd |
15 | 43b1242 |
hex | 2e28beb |
48401387 has 4 divisors (see below), whose sum is σ = 48419520. Its totient is φ = 48383256.
The previous prime is 48401371. The next prime is 48401393. The reversal of 48401387 is 78310484.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 48401387 - 24 = 48401371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48401317) 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, 4187 + ... + 10692.
It is an arithmetic number, because the mean of its divisors is an integer number (12104880).
Almost surely, 248401387 is an apocalyptic number.
48401387 is a deficient number, since it is larger than the sum of its proper divisors (18133).
48401387 is a wasteful number, since it uses less digits than its factorization.
48401387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18132.
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 48401387 is about 6957.1105352725. The cubic root of 48401387 is about 364.4343198538.
The spelling of 48401387 in words is "forty-eight million, four hundred one thousand, three hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •