Base | Representation |
---|---|
bin | 10000000111001000100000 |
3 | 21221120120200 |
4 | 100013020200 |
5 | 2040123040 |
6 | 230305200 |
7 | 50620320 |
oct | 20071040 |
9 | 7846520 |
10 | 4223520 |
11 | 2425214 |
12 | 14b8200 |
13 | b4b532 |
14 | 7bd280 |
15 | 586630 |
hex | 407220 |
4223520 has 144 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 963072.
The previous prime is 4223519. The next prime is 4223521. The reversal of 4223520 is 253224.
It is an interprime number because it is at equal distance from previous prime (4223519) and next prime (4223521).
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 4223493 and 4223502.
It is not an unprimeable number, because it can be changed into a prime (4223521) 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, 9871 + ... + 10289.
It is an arithmetic number, because the mean of its divisors is an integer number (114660).
Almost surely, 24223520 is an apocalyptic number.
4223520 is a gapful number since it is divisible by the number (40) 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 4223520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255520).
4223520 is an abundant number, since it is smaller than the sum of its proper divisors (12287520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4223520 is a wasteful number, since it uses less digits than its factorization.
4223520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447 (or 436 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 4223520 is about 2055.1204344271. The cubic root of 4223520 is about 161.6434775020.
Adding to 4223520 its reverse (253224), we get a palindrome (4476744).
The spelling of 4223520 in words is "four million, two hundred twenty-three thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.100 sec. • engine limits •