Base | Representation |
---|---|
bin | 101101001111… |
… | …0110110101100 |
3 | 1122122001211002 |
4 | 1122132312230 |
5 | 22033004330 |
6 | 2204215432 |
7 | 405416411 |
oct | 132366654 |
9 | 48561732 |
10 | 23719340 |
11 | 12430767 |
12 | 7b3a578 |
13 | 4bb6318 |
14 | 3216108 |
15 | 2137e45 |
hex | 169edac |
23719340 has 48 divisors (see below), whose sum is σ = 52276224. Its totient is φ = 9028800.
The previous prime is 23719327. The next prime is 23719343. The reversal of 23719340 is 4391732.
It is not an unprimeable number, because it can be changed into a prime (23719343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41255 + ... + 41825.
It is an arithmetic number, because the mean of its divisors is an integer number (1089088).
Almost surely, 223719340 is an apocalyptic number.
23719340 is a gapful number since it is divisible by the number (20) 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 23719340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26138112).
23719340 is an abundant number, since it is smaller than the sum of its proper divisors (28556884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23719340 is a wasteful number, since it uses less digits than its factorization.
23719340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 678 (or 676 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 23719340 is about 4870.2505069041. The cubic root of 23719340 is about 287.3211086231.
It can be divided in two parts, 2371 and 9340, that added together give a palindrome (11711).
The spelling of 23719340 in words is "twenty-three million, seven hundred nineteen thousand, three hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •