Base | Representation |
---|---|
bin | 100100011100… |
… | …0111000101001 |
3 | 1022221202101100 |
4 | 1020320320221 |
5 | 14342413434 |
6 | 1521312013 |
7 | 321260421 |
oct | 110707051 |
9 | 38852340 |
10 | 19107369 |
11 | a870716 |
12 | 6495609 |
13 | 3c60048 |
14 | 2775481 |
15 | 1a26699 |
hex | 1238e29 |
19107369 has 18 divisors (see below), whose sum is σ = 29133546. Its totient is φ = 12065760.
The previous prime is 19107329. The next prime is 19107379. The reversal of 19107369 is 96370191.
It can be written as a sum of positive squares in only one way, i.e., 18275625 + 831744 = 4275^2 + 912^2 .
It is not a de Polignac number, because 19107369 - 27 = 19107241 is a prime.
It is a super-2 number, since 2×191073692 = 730183100204322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19107329) 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 17 ways as a sum of consecutive naturals, for example, 309 + ... + 6189.
Almost surely, 219107369 is an apocalyptic number.
19107369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
19107369 is a deficient number, since it is larger than the sum of its proper divisors (10026177).
19107369 is a wasteful number, since it uses less digits than its factorization.
19107369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5925 (or 5903 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 36.
The square root of 19107369 is about 4371.1976619686. The cubic root of 19107369 is about 267.3418589551.
The spelling of 19107369 in words is "nineteen million, one hundred seven thousand, three hundred sixty-nine".
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