Base | Representation |
---|---|
bin | 110101010010… |
… | …1111010101100 |
3 | 1221120122000002 |
4 | 1222211322230 |
5 | 24123130242 |
6 | 2434523432 |
7 | 456336140 |
oct | 152457254 |
9 | 57518002 |
10 | 27942572 |
11 | 14855739 |
12 | 9436578 |
13 | 5a34688 |
14 | 39d5220 |
15 | 26be432 |
hex | 1aa5eac |
27942572 has 12 divisors (see below), whose sum is σ = 55885200. Its totient is φ = 11975376.
The previous prime is 27942557. The next prime is 27942583. The reversal of 27942572 is 27524972.
27942572 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498947 + ... + 499002.
It is an arithmetic number, because the mean of its divisors is an integer number (4657100).
Almost surely, 227942572 is an apocalyptic number.
It is an amenable number.
27942572 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.
27942572 is a wasteful number, since it uses less digits than its factorization.
27942572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997960 (or 997958 counting only the distinct ones).
The product of its digits is 70560, while the sum is 38.
The square root of 27942572 is about 5286.0734009281. The cubic root of 27942572 is about 303.4511536294.
The spelling of 27942572 in words is "twenty-seven million, nine hundred forty-two thousand, five hundred seventy-two".
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