Base | Representation |
---|---|
bin | 110001111101100… |
… | …110001011010100 |
3 | 2011102021112101222 |
4 | 301331212023110 |
5 | 3204041340430 |
6 | 215102105512 |
7 | 26525562254 |
oct | 6175461324 |
9 | 2142245358 |
10 | 838230740 |
11 | 3a0183186 |
12 | 1b487b298 |
13 | 10487a329 |
14 | 7d47b964 |
15 | 4d8c99e5 |
hex | 31f662d4 |
838230740 has 12 divisors (see below), whose sum is σ = 1760284596. Its totient is φ = 335292288.
The previous prime is 838230719. The next prime is 838230797. The reversal of 838230740 is 47032838.
It can be written as a sum of positive squares in 2 ways, for example, as 315559696 + 522671044 = 17764^2 + 22862^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 838230740.
It is a congruent number.
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, 20955749 + ... + 20955788.
It is an arithmetic number, because the mean of its divisors is an integer number (146690383).
Almost surely, 2838230740 is an apocalyptic number.
It is an amenable number.
838230740 is an abundant number, since it is smaller than the sum of its proper divisors (922053856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
838230740 is a wasteful number, since it uses less digits than its factorization.
838230740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41911546 (or 41911544 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 838230740 is about 28952.2147684767. The cubic root of 838230740 is about 942.8758838157.
The spelling of 838230740 in words is "eight hundred thirty-eight million, two hundred thirty thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •