Base | Representation |
---|---|
bin | 110100010110… |
… | …1111000010001 |
3 | 1220122122112220 |
4 | 1220231320101 |
5 | 24011412042 |
6 | 2420211253 |
7 | 452220525 |
oct | 150557021 |
9 | 56578486 |
10 | 27450897 |
11 | 1454a2a1 |
12 | 9239b29 |
13 | 58c1946 |
14 | 3907d85 |
15 | 26238ec |
hex | 1a2de11 |
27450897 has 4 divisors (see below), whose sum is σ = 36601200. Its totient is φ = 18300596.
The previous prime is 27450859. The next prime is 27450911. The reversal of 27450897 is 79805472.
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 27450897 - 215 = 27418129 is a prime.
It is a super-2 number, since 2×274508972 = 1507103492209218, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (27450817) 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, 4575147 + ... + 4575152.
It is an arithmetic number, because the mean of its divisors is an integer number (9150300).
Almost surely, 227450897 is an apocalyptic number.
It is an amenable number.
27450897 is a deficient number, since it is larger than the sum of its proper divisors (9150303).
27450897 is an equidigital number, since it uses as much as digits as its factorization.
27450897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9150302.
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 27450897 is about 5239.3603617236. The cubic root of 27450897 is about 301.6607779782.
The spelling of 27450897 in words is "twenty-seven million, four hundred fifty thousand, eight hundred ninety-seven".
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