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27925 = 521117
BaseRepresentation
bin110110100010101
31102022021
412310111
51343200
6333141
7144262
oct66425
942267
1027925
1119a87
12141b1
13c931
14a269
15841a
hex6d15

27925 has 6 divisors (see below), whose sum is σ = 34658. Its totient is φ = 22320.

The previous prime is 27919. The next prime is 27941. The reversal of 27925 is 52972.

It can be written as a sum of positive squares in 3 ways, for example, as 36 + 27889 = 6^2 + 167^2 .

It is not a de Polignac number, because 27925 - 23 = 27917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1117 = 27925 / (2 + 7 + 9 + 2 + 5).

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 27925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534 + ... + 583.

227925 is an apocalyptic number.

27925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27925 is a deficient number, since it is larger than the sum of its proper divisors (6733).

27925 is a wasteful number, since it uses less digits than its factorization.

27925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 27925 is about 167.1077496707. The cubic root of 27925 is about 30.3387530736.

The spelling of 27925 in words is "twenty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 1117 5585 27925