Base | Representation |
---|---|
bin | 110101010100… |
… | …1011111111110 |
3 | 1221121101010120 |
4 | 1222221133332 |
5 | 24124112441 |
6 | 2435115410 |
7 | 456430002 |
oct | 152513776 |
9 | 57541116 |
10 | 27957246 |
11 | 14865769 |
12 | 9442b66 |
13 | 5a3b265 |
14 | 39da702 |
15 | 26c3966 |
hex | 1aa97fe |
27957246 has 32 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 8792640.
The previous prime is 27957233. The next prime is 27957263. The reversal of 27957246 is 64275972.
It is a junction number, because it is equal to n+sod(n) for n = 27957198 and 27957207.
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 15 ways as a sum of consecutive naturals, for example, 48850 + ... + 49418.
It is an arithmetic number, because the mean of its divisors is an integer number (1846800).
Almost surely, 227957246 is an apocalyptic number.
27957246 is an abundant number, since it is smaller than the sum of its proper divisors (31140354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27957246 is a wasteful number, since it uses less digits than its factorization.
27957246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1024.
The product of its digits is 211680, while the sum is 42.
The square root of 27957246 is about 5287.4612055314. The cubic root of 27957246 is about 303.5042633072.
It can be divided in two parts, 27957 and 246, that added together give a triangular number (28203 = T237).
The spelling of 27957246 in words is "twenty-seven million, nine hundred fifty-seven thousand, two hundred forty-six".
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