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57214 = 228607
BaseRepresentation
bin1101111101111110
32220111001
431331332
53312324
61120514
7325543
oct157576
986431
1057214
1139a93
122913a
1320071
1416bca
1511e44
hexdf7e

57214 has 4 divisors (see below), whose sum is σ = 85824. Its totient is φ = 28606.

The previous prime is 57203. The next prime is 57221. The reversal of 57214 is 41275.

57214 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 57191 and 57200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14302 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (21456).

257214 is an apocalyptic number.

57214 is a deficient number, since it is larger than the sum of its proper divisors (28610).

57214 is a wasteful number, since it uses less digits than its factorization.

57214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609.

The product of its digits is 280, while the sum is 19.

The square root of 57214 is about 239.1944815417. The cubic root of 57214 is about 38.5331136934.

Adding to 57214 its reverse (41275), we get a palindrome (98489).

It can be divided in two parts, 572 and 14, that multiplied together give a palindrome (8008).

The spelling of 57214 in words is "fifty-seven thousand, two hundred fourteen".

Divisors: 1 2 28607 57214