Base | Representation |
---|---|
bin | 110101010001… |
… | …1000101001101 |
3 | 1221120001001220 |
4 | 1222203011031 |
5 | 24122242312 |
6 | 2434353553 |
7 | 456260235 |
oct | 152430515 |
9 | 57501056 |
10 | 27930957 |
11 | 14847a3a |
12 | 942b8b9 |
13 | 5a2c2c2 |
14 | 39d0cc5 |
15 | 26bac8c |
hex | 1aa314d |
27930957 has 8 divisors (see below), whose sum is σ = 37267584. Its totient is φ = 18607488.
The previous prime is 27930953. The next prime is 27930961. The reversal of 27930957 is 75903972.
It is an interprime number because it is at equal distance from previous prime (27930953) and next prime (27930961).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27930957 - 22 = 27930953 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27930953) 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, 3933 + ... + 8445.
It is an arithmetic number, because the mean of its divisors is an integer number (4658448).
Almost surely, 227930957 is an apocalyptic number.
It is an amenable number.
27930957 is a deficient number, since it is larger than the sum of its proper divisors (9336627).
27930957 is a wasteful number, since it uses less digits than its factorization.
27930957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6579.
The product of its (nonzero) digits is 119070, while the sum is 42.
The square root of 27930957 is about 5284.9746451615. The cubic root of 27930957 is about 303.4091022198.
The spelling of 27930957 in words is "twenty-seven million, nine hundred thirty thousand, nine hundred fifty-seven".
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