Base | Representation |
---|---|
bin | 100110111101101… |
… | …0101000001011110 |
3 | 10101010002201012222 |
4 | 1031323111001132 |
5 | 10134143220423 |
6 | 333422025342 |
7 | 44253462446 |
oct | 11573250136 |
9 | 3333081188 |
10 | 1307398238 |
11 | 610aa0713 |
12 | 305a18252 |
13 | 17ab28533 |
14 | c58c9126 |
15 | 79ba23c8 |
hex | 4ded505e |
1307398238 has 16 divisors (see below), whose sum is σ = 2017277136. Its totient is φ = 635231040.
The previous prime is 1307398229. The next prime is 1307398259. The reversal of 1307398238 is 8328937031.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54431 + ... + 74682.
It is an arithmetic number, because the mean of its divisors is an integer number (126079821).
Almost surely, 21307398238 is an apocalyptic number.
1307398238 is a deficient number, since it is larger than the sum of its proper divisors (709878898).
1307398238 is a wasteful number, since it uses less digits than its factorization.
1307398238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129259.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 1307398238 is about 36157.9623043113. The cubic root of 1307398238 is about 1093.4593229497.
The spelling of 1307398238 in words is "one billion, three hundred seven million, three hundred ninety-eight thousand, two hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •