Base | Representation |
---|---|
bin | 110101010110… |
… | …1101111111010 |
3 | 1221122021000011 |
4 | 1222231233322 |
5 | 24130142100 |
6 | 2435332134 |
7 | 456531514 |
oct | 152555772 |
9 | 57567004 |
10 | 27974650 |
11 | 14877850 |
12 | 945104a |
13 | 5a46162 |
14 | 3a02bb4 |
15 | 26c8bba |
hex | 1aadbfa |
27974650 has 48 divisors (see below), whose sum is σ = 59772960. Its totient is φ = 9633600.
The previous prime is 27974641. The next prime is 27974651. The reversal of 27974650 is 5647972.
It is not an unprimeable number, because it can be changed into a prime (27974651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9112 + ... + 11788.
It is an arithmetic number, because the mean of its divisors is an integer number (1245270).
Almost surely, 227974650 is an apocalyptic number.
27974650 is an abundant number, since it is smaller than the sum of its proper divisors (31798310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27974650 is a wasteful number, since it uses less digits than its factorization.
27974650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2719 (or 2714 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 40.
The square root of 27974650 is about 5289.1067298741. The cubic root of 27974650 is about 303.5672296008.
It can be divided in two parts, 2797 and 4650, that added together give a palindrome (7447).
The spelling of 27974650 in words is "twenty-seven million, nine hundred seventy-four thousand, six hundred fifty".
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