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14240028 = 22311233463
BaseRepresentation
bin110110010100…
…100100011100
3222210110122110
4312110210130
512121140103
61225114020
7232016055
oct66244434
928713573
1014240028
118046820
124928910
132c4776a
141c6972c
1513b4403
hexd9491c

14240028 has 48 divisors (see below), whose sum is σ = 36481536. Its totient is φ = 4287360.

The previous prime is 14240011. The next prime is 14240029. The reversal of 14240028 is 82004241.

It is a junction number, because it is equal to n+sod(n) for n = 14239986 and 14240013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14240029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30525 + ... + 30987.

It is an arithmetic number, because the mean of its divisors is an integer number (760032).

Almost surely, 214240028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14240028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18240768).

14240028 is an abundant number, since it is smaller than the sum of its proper divisors (22241508).

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

14240028 is a wasteful number, since it uses less digits than its factorization.

14240028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 14240028 is about 3773.5961628134. The cubic root of 14240028 is about 242.3838136868.

Adding to 14240028 its reverse (82004241), we get a palindrome (96244269).

It can be divided in two parts, 14 and 240028, that added together give a palindrome (240042).

The spelling of 14240028 in words is "fourteen million, two hundred forty thousand, twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 233 463 466 699 926 932 1389 1398 1852 2563 2778 2796 5093 5126 5556 7689 10186 10252 15279 15378 20372 30558 30756 61116 107879 215758 323637 431516 647274 1186669 1294548 2373338 3560007 4746676 7120014 14240028