Base | Representation |
---|---|
bin | 110100010111… |
… | …1011001110101 |
3 | 1220122222010011 |
4 | 1220233121311 |
5 | 24012112031 |
6 | 2420300221 |
7 | 452244655 |
oct | 150573165 |
9 | 56588104 |
10 | 27457141 |
11 | 14553a58 |
12 | 9241671 |
13 | 58c473a |
14 | 390a365 |
15 | 26256b1 |
hex | 1a2f675 |
27457141 has 4 divisors (see below), whose sum is σ = 27566784. Its totient is φ = 27347500.
The previous prime is 27457139. The next prime is 27457151. The reversal of 27457141 is 14175472.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 27457141 - 21 = 27457139 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27457121) 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, 54445 + ... + 54946.
It is an arithmetic number, because the mean of its divisors is an integer number (6891696).
Almost surely, 227457141 is an apocalyptic number.
It is an amenable number.
27457141 is a deficient number, since it is larger than the sum of its proper divisors (109643).
27457141 is a wasteful number, since it uses less digits than its factorization.
27457141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109642.
The product of its digits is 7840, while the sum is 31.
The square root of 27457141 is about 5239.9562021070. The cubic root of 27457141 is about 301.6836482340.
The spelling of 27457141 in words is "twenty-seven million, four hundred fifty-seven thousand, one hundred forty-one".
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