Base | Representation |
---|---|
bin | 11101100100101… |
… | …01010001111101 |
3 | 122021210112110101 |
4 | 32302111101331 |
5 | 1002001403024 |
6 | 40341041101 |
7 | 6101414602 |
oct | 1662252175 |
9 | 567715411 |
10 | 248075389 |
11 | 118039791 |
12 | 6b0b6191 |
13 | 3c51a693 |
14 | 24d386a9 |
15 | 16ba3c44 |
hex | ec9547d |
248075389 has 8 divisors (see below), whose sum is σ = 253788920. Its totient is φ = 242424576.
The previous prime is 248075369. The next prime is 248075393. The reversal of 248075389 is 983570842.
It can be written as a sum of positive squares in 4 ways, for example, as 95355225 + 152720164 = 9765^2 + 12358^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 248075389 - 25 = 248075357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248075329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7632 + ... + 23545.
It is an arithmetic number, because the mean of its divisors is an integer number (31723615).
Almost surely, 2248075389 is an apocalyptic number.
It is an amenable number.
248075389 is a deficient number, since it is larger than the sum of its proper divisors (5713531).
248075389 is a wasteful number, since it uses less digits than its factorization.
248075389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31359.
The product of its (nonzero) digits is 483840, while the sum is 46.
The square root of 248075389 is about 15750.4091692883. The cubic root of 248075389 is about 628.3397868096.
It can be divided in two parts, 2480753 and 89, that added together give a palindrome (2480842).
The spelling of 248075389 in words is "two hundred forty-eight million, seventy-five thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •