Search a number
-
+
57282 = 239547
BaseRepresentation
bin1101111111000010
32220120120
431333002
53313112
61121110
7326001
oct157702
986516
1057282
113a045
1229196
13200c4
1416c38
1511e8c
hexdfc2

57282 has 8 divisors (see below), whose sum is σ = 114576. Its totient is φ = 19092.

The previous prime is 57271. The next prime is 57283. The reversal of 57282 is 28275.

It is a sphenic number, since it is the product of 3 distinct primes.

57282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57283) by changing a digit.

57282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4768 + ... + 4779.

It is an arithmetic number, because the mean of its divisors is an integer number (14322).

257282 is an apocalyptic number.

57282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57288).

57282 is a wasteful number, since it uses less digits than its factorization.

57282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552.

The product of its digits is 1120, while the sum is 24.

The square root of 57282 is about 239.3365830791. The cubic root of 57282 is about 38.5483734453.

The spelling of 57282 in words is "fifty-seven thousand, two hundred eighty-two".

Divisors: 1 2 3 6 9547 19094 28641 57282