Base | Representation |
---|---|
bin | 110101001010… |
… | …0000010011100 |
3 | 1221102220112210 |
4 | 1222110002130 |
5 | 24113304330 |
6 | 2433200420 |
7 | 455612502 |
oct | 152240234 |
9 | 57386483 |
10 | 27869340 |
11 | 14805714 |
12 | 9400110 |
13 | 5a0a245 |
14 | 39b6672 |
15 | 26a78b0 |
hex | 1a9409c |
27869340 has 48 divisors (see below), whose sum is σ = 79944480. Its totient is φ = 7249920.
The previous prime is 27869339. The next prime is 27869351. The reversal of 27869340 is 4396872.
It is a super-2 number, since 2×278693402 = 1553400224071200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3205 + ... + 8124.
It is an arithmetic number, because the mean of its divisors is an integer number (1665510).
Almost surely, 227869340 is an apocalyptic number.
27869340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27869340 is an abundant number, since it is smaller than the sum of its proper divisors (52075140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27869340 is a wasteful number, since it uses less digits than its factorization.
27869340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11382 (or 11380 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 27869340 is about 5279.1419757381. The cubic root of 27869340 is about 303.1858263877.
The spelling of 27869340 in words is "twenty-seven million, eight hundred sixty-nine thousand, three hundred forty".
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