Base | Representation |
---|---|
bin | 10101110011111100… |
… | …001110111101100000 |
3 | 2020110011212120211112 |
4 | 111303330032331200 |
5 | 340431010144430 |
6 | 14431540002452 |
7 | 1456240524401 |
oct | 256374167540 |
9 | 66404776745 |
10 | 23420006240 |
11 | 9a28a8a364 |
12 | 4657390428 |
13 | 22930b6977 |
14 | 11c25bd9a8 |
15 | 921126195 |
hex | 573f0ef60 |
23420006240 has 24 divisors (see below), whose sum is σ = 55329765120. Its totient is φ = 9368002432.
The previous prime is 23420006231. The next prime is 23420006303. The reversal of 23420006240 is 4260002432.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73187360 + ... + 73187679.
It is an arithmetic number, because the mean of its divisors is an integer number (2305406880).
Almost surely, 223420006240 is an apocalyptic number.
23420006240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23420006240 is an abundant number, since it is smaller than the sum of its proper divisors (31909758880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23420006240 is a wasteful number, since it uses less digits than its factorization.
23420006240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146375054 (or 146375046 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 23420006240 its reverse (4260002432), we get a palindrome (27680008672).
The spelling of 23420006240 in words is "twenty-three billion, four hundred twenty million, six thousand, two hundred forty".
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