Base | Representation |
---|---|
bin | 100100001111… |
… | …0110001001000 |
3 | 1022202022122020 |
4 | 1020132301020 |
5 | 14331003032 |
6 | 1515124440 |
7 | 320333505 |
oct | 110366110 |
9 | 38668566 |
10 | 19000392 |
11 | a7a8304 |
12 | 6443720 |
13 | 3c23448 |
14 | 27484ac |
15 | 1a04b2c |
hex | 121ec48 |
19000392 has 32 divisors (see below), whose sum is σ = 49567680. Its totient is φ = 6057920.
The previous prime is 19000391. The next prime is 19000409. The reversal of 19000392 is 29300091.
It is a happy number.
It is a super-2 number, since 2×190003922 = 722029792307328, which contains 22 as substring.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (19000391) 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, 16659 + ... + 17762.
It is an arithmetic number, because the mean of its divisors is an integer number (1548990).
Almost surely, 219000392 is an apocalyptic number.
19000392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19000392 is an abundant number, since it is smaller than the sum of its proper divisors (30567288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19000392 is a wasteful number, since it uses less digits than its factorization.
19000392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34453 (or 34449 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 24.
The square root of 19000392 is about 4358.9439087926. The cubic root of 19000392 is about 266.8419999709.
The spelling of 19000392 in words is "nineteen million, three hundred ninety-two", and thus it is an aban number.
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