Base | Representation |
---|---|
bin | 110100011010… |
… | …1001111001000 |
3 | 1220201011220000 |
4 | 1220311033020 |
5 | 24013343112 |
6 | 2421003000 |
7 | 452404425 |
oct | 150651710 |
9 | 56634800 |
10 | 27481032 |
11 | 1456a9a7 |
12 | 9253460 |
13 | 5902587 |
14 | 3914d4c |
15 | 262c7dc |
hex | 1a353c8 |
27481032 has 40 divisors (see below), whose sum is σ = 76974150. Its totient is φ = 9160128.
The previous prime is 27481031. The next prime is 27481037. The reversal of 27481032 is 23018472.
It can be written as a sum of positive squares in only one way, i.e., 21399876 + 6081156 = 4626^2 + 2466^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 27480987 and 27481005.
It is not an unprimeable number, because it can be changed into a prime (27481031) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20557 + ... + 21852.
Almost surely, 227481032 is an apocalyptic number.
It is an amenable number.
27481032 is an abundant number, since it is smaller than the sum of its proper divisors (49493118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27481032 is a wasteful number, since it uses less digits than its factorization.
27481032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42427 (or 42414 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 27481032 is about 5242.2354010479. The cubic root of 27481032 is about 301.7711231654.
The spelling of 27481032 in words is "twenty-seven million, four hundred eighty-one thousand, thirty-two".
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