Base | Representation |
---|---|
bin | 110011110011… |
… | …1111101111100 |
3 | 1220010002202002 |
4 | 1213213331330 |
5 | 23423231130 |
6 | 2410121432 |
7 | 446615624 |
oct | 147477574 |
9 | 56102662 |
10 | 27164540 |
11 | 14374137 |
12 | 9120278 |
13 | 58214c0 |
14 | 3871884 |
15 | 25b8b45 |
hex | 19e7f7c |
27164540 has 24 divisors (see below), whose sum is σ = 61434240. Its totient is φ = 10029888.
The previous prime is 27164513. The next prime is 27164563. The reversal of 27164540 is 4546172.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51980 + ... + 52499.
It is an arithmetic number, because the mean of its divisors is an integer number (2559760).
Almost surely, 227164540 is an apocalyptic number.
27164540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27164540 is an abundant number, since it is smaller than the sum of its proper divisors (34269700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27164540 is a wasteful number, since it uses less digits than its factorization.
27164540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104501 (or 104499 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 27164540 is about 5211.9612431406. The cubic root of 27164540 is about 300.6081736569.
The spelling of 27164540 in words is "twenty-seven million, one hundred sixty-four thousand, five hundred forty".
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