Base | Representation |
---|---|
bin | 110101010011… |
… | …1101101100110 |
3 | 1221121000002110 |
4 | 1222213231212 |
5 | 24123344201 |
6 | 2435021450 |
7 | 456366444 |
oct | 152475546 |
9 | 57530073 |
10 | 27949926 |
11 | 14860214 |
12 | 943a886 |
13 | 5a37b24 |
14 | 39d7b94 |
15 | 26c16d6 |
hex | 1aa7b66 |
27949926 has 8 divisors (see below), whose sum is σ = 55899864. Its totient is φ = 9316640.
The previous prime is 27949897. The next prime is 27949927. The reversal of 27949926 is 62994972.
It is a sphenic number, since it is the product of 3 distinct primes.
27949926 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27949927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329155 + ... + 2329166.
It is an arithmetic number, because the mean of its divisors is an integer number (6987483).
Almost surely, 227949926 is an apocalyptic number.
27949926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27949926 is a wasteful number, since it uses less digits than its factorization.
27949926 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4658326.
The product of its digits is 489888, while the sum is 48.
The square root of 27949926 is about 5286.7689565556. The cubic root of 27949926 is about 303.4777723200.
It can be divided in two parts, 2794 and 9926, that added together give a triangular number (12720 = T159).
The spelling of 27949926 in words is "twenty-seven million, nine hundred forty-nine thousand, nine hundred twenty-six".
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