Base | Representation |
---|---|
bin | 110110011111… |
… | …111001010100 |
3 | 222212211021200 |
4 | 312133321110 |
5 | 12124131140 |
6 | 1230112500 |
7 | 232301241 |
oct | 66377124 |
9 | 28784250 |
10 | 14286420 |
11 | 8078665 |
12 | 494b730 |
13 | 2c62905 |
14 | 1c7c5c8 |
15 | 13c3030 |
hex | d9fe54 |
14286420 has 72 divisors (see below), whose sum is σ = 43723680. Its totient is φ = 3775680.
The previous prime is 14286413. The next prime is 14286421. The reversal of 14286420 is 2468241.
14286420 is a `hidden beast` number, since 14 + 2 + 8 + 642 + 0 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14286421) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24735 + ... + 25305.
Almost surely, 214286420 is an apocalyptic number.
14286420 is a gapful number since it is divisible by the number (10) 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 14286420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21861840).
14286420 is an abundant number, since it is smaller than the sum of its proper divisors (29437260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14286420 is a wasteful number, since it uses less digits than its factorization.
14286420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725 (or 720 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 14286420 is about 3779.7380861642. The cubic root of 14286420 is about 242.6467457718.
It can be divided in two parts, 142864 and 20, that added together give a square (142884 = 3782).
The spelling of 14286420 in words is "fourteen million, two hundred eighty-six thousand, four hundred twenty".
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