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28234 = 219743
BaseRepresentation
bin110111001001010
31102201201
412321022
51400414
6334414
7145213
oct67112
942651
1028234
111a238
121440a
13cb0b
14a40a
158574
hex6e4a

28234 has 8 divisors (see below), whose sum is σ = 44640. Its totient is φ = 13356.

The previous prime is 28229. The next prime is 28277. The reversal of 28234 is 43282.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (5580).

228234 is an apocalyptic number.

28234 is a deficient number, since it is larger than the sum of its proper divisors (16406).

28234 is a wasteful number, since it uses less digits than its factorization.

28234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 384, while the sum is 19.

The square root of 28234 is about 168.0297592690. The cubic root of 28234 is about 30.4502458541.

It can be divided in two parts, 28 and 234, that added together give a palindrome (262).

The spelling of 28234 in words is "twenty-eight thousand, two hundred thirty-four".

Divisors: 1 2 19 38 743 1486 14117 28234