Base | Representation |
---|---|
bin | 101101011100… |
… | …1001011000100 |
3 | 1122211112200200 |
4 | 1122321023010 |
5 | 22044432030 |
6 | 2210410500 |
7 | 406345611 |
oct | 132711304 |
9 | 48745620 |
10 | 23827140 |
11 | 124a4757 |
12 | 7b90a30 |
13 | 4c233cc |
14 | 3243508 |
15 | 2159d60 |
hex | 16b92c4 |
23827140 has 72 divisors (see below), whose sum is σ = 76090560. Its totient is φ = 6018624.
The previous prime is 23827129. The next prime is 23827151. The reversal of 23827140 is 4172832.
It is an interprime number because it is at equal distance from previous prime (23827129) and next prime (23827151).
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, 64 + ... + 6903.
Almost surely, 223827140 is an apocalyptic number.
23827140 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 23827140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38045280).
23827140 is an abundant number, since it is smaller than the sum of its proper divisors (52263420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23827140 is a wasteful number, since it uses less digits than its factorization.
23827140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7001 (or 6996 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 23827140 is about 4881.3051533376. The cubic root of 23827140 is about 287.7557245824.
Adding to 23827140 its reverse (4172832), we get a palindrome (27999972).
The spelling of 23827140 in words is "twenty-three million, eight hundred twenty-seven thousand, one hundred forty".
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