Base | Representation |
---|---|
bin | 100000001001001… |
… | …100100111111000 |
3 | 1101120202100201011 |
4 | 200021030213320 |
5 | 2101024010122 |
6 | 125302403304 |
7 | 16235551321 |
oct | 4011144770 |
9 | 1346670634 |
10 | 539281912 |
11 | 257457534 |
12 | 130730534 |
13 | 87959b30 |
14 | 5189d448 |
15 | 32527377 |
hex | 2024c9f8 |
539281912 has 32 divisors (see below), whose sum is σ = 1126490400. Its totient is φ = 240315264.
The previous prime is 539281867. The next prime is 539281913. The reversal of 539281912 is 219182935.
It is a super-2 number, since 2×5392819122 = 581649961220751488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (539281913) 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, 86388 + ... + 92419.
It is an arithmetic number, because the mean of its divisors is an integer number (35202825).
Almost surely, 2539281912 is an apocalyptic number.
539281912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
539281912 is an abundant number, since it is smaller than the sum of its proper divisors (587208488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
539281912 is a wasteful number, since it uses less digits than its factorization.
539281912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178855 (or 178851 counting only the distinct ones).
The product of its digits is 38880, while the sum is 40.
The square root of 539281912 is about 23222.4441435435. Note that the first 3 decimals coincide. The cubic root of 539281912 is about 813.9641636150.
The spelling of 539281912 in words is "five hundred thirty-nine million, two hundred eighty-one thousand, nine hundred twelve".
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