Base | Representation |
---|---|
bin | 100011111101… |
… | …0001010100100 |
3 | 1022110200222111 |
4 | 1013322022210 |
5 | 14311203333 |
6 | 1512010404 |
7 | 316140430 |
oct | 107721244 |
9 | 38420874 |
10 | 18850468 |
11 | a7056aa |
12 | 6390a04 |
13 | 3ba0130 |
14 | 27099c0 |
15 | 19c54cd |
hex | 11fa2a4 |
18850468 has 24 divisors (see below), whose sum is σ = 40601792. Its totient is φ = 7457184.
The previous prime is 18850463. The next prime is 18850471. The reversal of 18850468 is 86405881.
It is a self number, because there is not a number n which added to its sum of digits gives 18850468.
It is not an unprimeable number, because it can be changed into a prime (18850463) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25530 + ... + 26257.
Almost surely, 218850468 is an apocalyptic number.
It is an amenable number.
18850468 is an abundant number, since it is smaller than the sum of its proper divisors (21751324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18850468 is a wasteful number, since it uses less digits than its factorization.
18850468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51811 (or 51809 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 40.
The square root of 18850468 is about 4341.7125653364. The cubic root of 18850468 is about 266.1383003280.
The spelling of 18850468 in words is "eighteen million, eight hundred fifty thousand, four hundred sixty-eight".
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