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28846 = 214423
BaseRepresentation
bin111000010101110
31110120101
413002232
51410341
6341314
7150046
oct70256
943511
1028846
111a744
121483a
131018c
14a726
158831
hex70ae

28846 has 4 divisors (see below), whose sum is σ = 43272. Its totient is φ = 14422.

The previous prime is 28843. The next prime is 28859. The reversal of 28846 is 64882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64882 = 232441.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (10818).

228846 is an apocalyptic number.

28846 is a deficient number, since it is larger than the sum of its proper divisors (14426).

28846 is a wasteful number, since it uses less digits than its factorization.

28846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425.

The product of its digits is 3072, while the sum is 28.

The square root of 28846 is about 169.8411022103. The cubic root of 28846 is about 30.6686881675.

The spelling of 28846 in words is "twenty-eight thousand, eight hundred forty-six".

Divisors: 1 2 14423 28846