Base | Representation |
---|---|
bin | 101101010111… |
… | …1111101110110 |
3 | 1122202121222000 |
4 | 1122233331312 |
5 | 22042230210 |
6 | 2205520130 |
7 | 406130640 |
oct | 132577566 |
9 | 48677860 |
10 | 23789430 |
11 | 12479395 |
12 | 7b73046 |
13 | 4c0c1b2 |
14 | 3233890 |
15 | 214dac0 |
hex | 16aff76 |
23789430 has 128 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 5287680.
The previous prime is 23789419. The next prime is 23789497. The reversal of 23789430 is 3498732.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77337 + ... + 77643.
It is an arithmetic number, because the mean of its divisors is an integer number (582120).
Almost surely, 223789430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23789430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37255680).
23789430 is an abundant number, since it is smaller than the sum of its proper divisors (50721930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23789430 is a wasteful number, since it uses less digits than its factorization.
23789430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 371 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 23789430 is about 4877.4409273716. The cubic root of 23789430 is about 287.6038389875.
The spelling of 23789430 in words is "twenty-three million, seven hundred eighty-nine thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •