Base | Representation |
---|---|
bin | 100100010001… |
… | …1110010101001 |
3 | 1022210100212100 |
4 | 1020203302221 |
5 | 14332132334 |
6 | 1515404013 |
7 | 320450502 |
oct | 110436251 |
9 | 38710770 |
10 | 19020969 |
11 | a811810 |
12 | 6453609 |
13 | 3c2c916 |
14 | 2751ba9 |
15 | 1a0ac99 |
hex | 1223ca9 |
19020969 has 24 divisors (see below), whose sum is σ = 30139200. Its totient is φ = 11463840.
The previous prime is 19020961. The next prime is 19021039. The reversal of 19020969 is 96902091.
It is not a de Polignac number, because 19020969 - 23 = 19020961 is a prime.
It is a super-2 number, since 2×190209692 = 723594523397922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19020961) by changing a digit.
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 in 23 ways as a sum of consecutive naturals, for example, 22252 + ... + 23090.
It is an arithmetic number, because the mean of its divisors is an integer number (1255800).
Almost surely, 219020969 is an apocalyptic number.
It is an amenable number.
19020969 is a deficient number, since it is larger than the sum of its proper divisors (11118231).
19020969 is a wasteful number, since it uses less digits than its factorization.
19020969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1085 (or 1082 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The square root of 19020969 is about 4361.3035895246. The cubic root of 19020969 is about 266.9382931927.
The spelling of 19020969 in words is "nineteen million, twenty thousand, nine hundred sixty-nine".
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