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562 = 2281
BaseRepresentation
bin1000110010
3202211
420302
54222
62334
71432
oct1062
9684
10562
11471
123aa
13343
142c2
15277
hex232

562 has 4 divisors (see below), whose sum is σ = 846. Its totient is φ = 280.

The previous prime is 557. The next prime is 563. The reversal of 562 is 265.

Adding to 562 its sum of digits (13), we get a palindrome (575).

562 is nontrivially palindromic in base 4, base 13, base 14 and base 16.

562 is an esthetic number in base 13 and base 16, because in such bases its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265 = 553.

It can be written as a sum of positive squares in only one way, i.e., 441 + 121 = 21^2 + 11^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 562 parts by 33 straight cuts.

562 is an undulating number in base 13, base 14 and base 16.

It is a plaindrome in base 6, base 12 and base 15.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (563) by changing a digit.

562 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 as a sum of consecutive naturals, namely, 139 + ... + 142.

562 is a deficient number, since it is larger than the sum of its proper divisors (284).

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

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

The sum of its prime factors is 283.

The product of its digits is 60, while the sum is 13.

The square root of 562 is about 23.7065391823. The cubic root of 562 is about 8.2523715251.

The spelling of 562 in words is "five hundred sixty-two", and thus it is an aban number.

Divisors: 1 2 281 562