Base | Representation |
---|---|
bin | 110001111111111… |
… | …010000011110100 |
3 | 2011110102022022100 |
4 | 301333322003310 |
5 | 3204220231333 |
6 | 215123102100 |
7 | 26533664241 |
oct | 6177720364 |
9 | 2143368270 |
10 | 838836468 |
11 | 3a0557288 |
12 | 1b4b11930 |
13 | 104a2cc52 |
14 | 7d5985c8 |
15 | 4d999213 |
hex | 31ffa0f4 |
838836468 has 54 divisors (see below), whose sum is σ = 2135913234. Its totient is φ = 277579872.
The previous prime is 838836463. The next prime is 838836469. The reversal of 838836468 is 864638838.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 804403044 + 34433424 = 28362^2 + 5868^2 .
It is a super-3 number, since 3×8388364683 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (838836461) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 956046 + ... + 956922.
Almost surely, 2838836468 is an apocalyptic number.
It is an amenable number.
838836468 is an abundant number, since it is smaller than the sum of its proper divisors (1297076766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
838836468 is a wasteful number, since it uses less digits than its factorization.
838836468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1213 (or 1045 counting only the distinct ones).
The product of its digits is 5308416, while the sum is 54.
The square root of 838836468 is about 28962.6737025434. The cubic root of 838836468 is about 943.1029449262.
The spelling of 838836468 in words is "eight hundred thirty-eight million, eight hundred thirty-six thousand, four hundred sixty-eight".
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