Base | Representation |
---|---|
bin | 100100011111… |
… | …1000101100000 |
3 | 1100000001020001 |
4 | 1020333011200 |
5 | 14344222033 |
6 | 1522025344 |
7 | 321424444 |
oct | 110770540 |
9 | 40001201 |
10 | 19132768 |
11 | a888806 |
12 | 64a8254 |
13 | 3c6b785 |
14 | 2780824 |
15 | 1a2de7d |
hex | 123f160 |
19132768 has 12 divisors (see below), whose sum is σ = 37667700. Its totient is φ = 9566368.
The previous prime is 19132759. The next prime is 19132783. The reversal of 19132768 is 86723191.
It is a super-2 number, since 2×191327682 = 732125622683648, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298918 + ... + 298981.
It is an arithmetic number, because the mean of its divisors is an integer number (3138975).
Almost surely, 219132768 is an apocalyptic number.
It is an amenable number.
19132768 is a deficient number, since it is larger than the sum of its proper divisors (18534932).
19132768 is an equidigital number, since it uses as much as digits as its factorization.
19132768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 597909 (or 597901 counting only the distinct ones).
The product of its digits is 18144, while the sum is 37.
The square root of 19132768 is about 4374.1019649752. The cubic root of 19132768 is about 267.4602636990.
It can be divided in two parts, 19132 and 768, that added together give a triangular number (19900 = T199).
The spelling of 19132768 in words is "nineteen million, one hundred thirty-two thousand, seven hundred sixty-eight".
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