Base | Representation |
---|---|
bin | 100101000101… |
… | …1001111101000 |
3 | 1100120220010112 |
4 | 1022023033220 |
5 | 14434212322 |
6 | 1532433452 |
7 | 324164060 |
oct | 112131750 |
9 | 40526115 |
10 | 19444712 |
11 | aa81111 |
12 | 6618888 |
13 | 404a761 |
14 | 28223a0 |
15 | 1a915e2 |
hex | 128b3e8 |
19444712 has 16 divisors (see below), whose sum is σ = 41667360. Its totient is φ = 8333424.
The previous prime is 19444709. The next prime is 19444741. The reversal of 19444712 is 21744491.
It is a nialpdrome in base 11.
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, 173558 + ... + 173669.
It is an arithmetic number, because the mean of its divisors is an integer number (2604210).
Almost surely, 219444712 is an apocalyptic number.
It is an amenable number.
19444712 is an abundant number, since it is smaller than the sum of its proper divisors (22222648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19444712 is a wasteful number, since it uses less digits than its factorization.
19444712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347240 (or 347236 counting only the distinct ones).
The product of its digits is 8064, while the sum is 32.
The square root of 19444712 is about 4409.6158562850. The cubic root of 19444712 is about 268.9060077083.
The spelling of 19444712 in words is "nineteen million, four hundred forty-four thousand, seven hundred twelve".
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