Base | Representation |
---|---|
bin | 100101000011… |
… | …1101100000100 |
3 | 1100120011011010 |
4 | 1022013230010 |
5 | 14433231043 |
6 | 1532242220 |
7 | 324103443 |
oct | 112075404 |
9 | 40504133 |
10 | 19430148 |
11 | aa71181 |
12 | 6610370 |
13 | 4043c3a |
14 | 281ad5a |
15 | 1a8c133 |
hex | 1287b04 |
19430148 has 12 divisors (see below), whose sum is σ = 45337040. Its totient is φ = 6476712.
The previous prime is 19430123. The next prime is 19430153. The reversal of 19430148 is 84103491.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
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, 809578 + ... + 809601.
Almost surely, 219430148 is an apocalyptic number.
It is an amenable number.
19430148 is an abundant number, since it is smaller than the sum of its proper divisors (25906892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19430148 is a wasteful number, since it uses less digits than its factorization.
19430148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1619186 (or 1619184 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 19430148 is about 4407.9641559341. The cubic root of 19430148 is about 268.8388544847.
The spelling of 19430148 in words is "nineteen million, four hundred thirty thousand, one hundred forty-eight".
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