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54146 = 227073
BaseRepresentation
bin1101001110000010
32202021102
431032002
53213041
61054402
7313601
oct151602
982242
1054146
1137754
1227402
131b851
1415a38
151109b
hexd382

54146 has 4 divisors (see below), whose sum is σ = 81222. Its totient is φ = 27072.

The previous prime is 54139. The next prime is 54151. The reversal of 54146 is 64145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64145 = 512829.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 7921 = 215^2 + 89^2 .

It is a Curzon number.

It is an unprimeable number.

54146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535 + ... + 13538.

254146 is an apocalyptic number.

54146 is a deficient number, since it is larger than the sum of its proper divisors (27076).

54146 is a wasteful number, since it uses less digits than its factorization.

54146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27075.

The product of its digits is 480, while the sum is 20.

The square root of 54146 is about 232.6929307048. The cubic root of 54146 is about 37.8316653748.

Subtracting 54146 from its reverse (64145), we obtain a palindrome (9999).

The spelling of 54146 in words is "fifty-four thousand, one hundred forty-six".

Divisors: 1 2 27073 54146