Base | Representation |
---|---|
bin | 110101010001… |
… | …1000100101011 |
3 | 1221120001000122 |
4 | 1222203010223 |
5 | 24122242143 |
6 | 2434353455 |
7 | 456260156 |
oct | 152430453 |
9 | 57501018 |
10 | 27930923 |
11 | 14847a09 |
12 | 942b88b |
13 | 5a2c297 |
14 | 39d0c9d |
15 | 26bac68 |
hex | 1aa312b |
27930923 has 8 divisors (see below), whose sum is σ = 28390560. Its totient is φ = 27475200.
The previous prime is 27930919. The next prime is 27930937. The reversal of 27930923 is 32903972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27930923 - 22 = 27930919 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27930913) 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, 15611 + ... + 17307.
It is an arithmetic number, because the mean of its divisors is an integer number (3548820).
Almost surely, 227930923 is an apocalyptic number.
27930923 is a deficient number, since it is larger than the sum of its proper divisors (459637).
27930923 is a wasteful number, since it uses less digits than its factorization.
27930923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1957.
The product of its (nonzero) digits is 20412, while the sum is 35.
The square root of 27930923 is about 5284.9714284942. The cubic root of 27930923 is about 303.4089791077.
The spelling of 27930923 in words is "twenty-seven million, nine hundred thirty thousand, nine hundred twenty-three".
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