Base | Representation |
---|---|
bin | 110110011110… |
… | …110001010100 |
3 | 222212120222000 |
4 | 312132301110 |
5 | 12124004222 |
6 | 1230035300 |
7 | 232251636 |
oct | 66366124 |
9 | 28776860 |
10 | 14281812 |
11 | 8075156 |
12 | 4948b30 |
13 | 2c6079c |
14 | 1c7aa56 |
15 | 13c19ac |
hex | d9ec54 |
14281812 has 48 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 4731264.
The previous prime is 14281811. The next prime is 14281823. The reversal of 14281812 is 21818241.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14281811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23788 + ... + 24380.
It is an arithmetic number, because the mean of its divisors is an integer number (776160).
Almost surely, 214281812 is an apocalyptic number.
14281812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14281812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627840).
14281812 is an abundant number, since it is smaller than the sum of its proper divisors (22973868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14281812 is a wasteful number, since it uses less digits than its factorization.
14281812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 829 (or 821 counting only the distinct ones).
The product of its digits is 1024, while the sum is 27.
The square root of 14281812 is about 3779.1284709573. The cubic root of 14281812 is about 242.6206548770.
It can be divided in two parts, 1428 and 1812, that added together give a triangular number (3240 = T80).
The spelling of 14281812 in words is "fourteen million, two hundred eighty-one thousand, eight hundred twelve".
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