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28462 = 2719107
BaseRepresentation
bin110111100101110
31110001011
412330232
51402322
6335434
7145660
oct67456
943034
1028462
111a425
121457a
13cc55
14a530
158677
hex6f2e

28462 has 16 divisors (see below), whose sum is σ = 51840. Its totient is φ = 11448.

The previous prime is 28447. The next prime is 28463. The reversal of 28462 is 26482.

28462 is nontrivially palindromic in base 9.

It is a plaindrome in base 12.

It is a nialpdrome in base 13 and base 14.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (3240).

228462 is an apocalyptic number.

28462 is the 107-th heptagonal number.

28462 is a deficient number, since it is larger than the sum of its proper divisors (23378).

28462 is a wasteful number, since it uses less digits than its factorization.

28462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135.

The product of its digits is 768, while the sum is 22.

The square root of 28462 is about 168.7068463341. The cubic root of 28462 is about 30.5319918727.

It can be divided in two parts, 2 and 8462, that added together give a square (8464 = 922).

The spelling of 28462 in words is "twenty-eight thousand, four hundred sixty-two".

Divisors: 1 2 7 14 19 38 107 133 214 266 749 1498 2033 4066 14231 28462