Base | Representation |
---|---|
bin | 10001001010011… |
… | …000011010001100 |
3 | 202001210120022122 |
4 | 101022120122030 |
5 | 1042202342332 |
6 | 44323232112 |
7 | 10064253665 |
oct | 2112303214 |
9 | 661716278 |
10 | 287934092 |
11 | 138593166 |
12 | 80518638 |
13 | 47864b04 |
14 | 2a35236c |
15 | 1a428c12 |
hex | 1129868c |
287934092 has 12 divisors (see below), whose sum is σ = 504719040. Its totient is φ = 143728656.
The previous prime is 287934077. The next prime is 287934137. The reversal of 287934092 is 290439782.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56867 + ... + 61722.
It is an arithmetic number, because the mean of its divisors is an integer number (42059920).
Almost surely, 2287934092 is an apocalyptic number.
It is an amenable number.
287934092 is a deficient number, since it is larger than the sum of its proper divisors (216784948).
287934092 is a wasteful number, since it uses less digits than its factorization.
287934092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119200 (or 119198 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 287934092 is about 16968.6208042964. The cubic root of 287934092 is about 660.3350701437.
The spelling of 287934092 in words is "two hundred eighty-seven million, nine hundred thirty-four thousand, ninety-two".
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