Base | Representation |
---|---|
bin | 111000001001… |
… | …110111000110 |
3 | 1000200212200000 |
4 | 320021313012 |
5 | 12232023304 |
6 | 1243302130 |
7 | 236056530 |
oct | 70116706 |
9 | 30625600 |
10 | 14720454 |
11 | 8344771 |
12 | 4b1a946 |
13 | 3085338 |
14 | 1d52850 |
15 | 145b939 |
hex | e09dc6 |
14720454 has 48 divisors (see below), whose sum is σ = 37809408. Its totient is φ = 4204872.
The previous prime is 14720417. The next prime is 14720467. The reversal of 14720454 is 45402741.
14720454 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×147204542 = 433383531932232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239 + ... + 5565.
It is an arithmetic number, because the mean of its divisors is an integer number (787696).
Almost surely, 214720454 is an apocalyptic number.
14720454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 14720454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18904704).
14720454 is an abundant number, since it is smaller than the sum of its proper divisors (23088954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14720454 is an equidigital number, since it uses as much as digits as its factorization.
14720454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4351 (or 4339 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 14720454 is about 3836.7243841590. The cubic root of 14720454 is about 245.0795465704.
The spelling of 14720454 in words is "fourteen million, seven hundred twenty thousand, four hundred fifty-four".
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