Base | Representation |
---|---|
bin | 100101100011… |
… | …1110001000100 |
3 | 1101001111012000 |
4 | 1023013301010 |
5 | 20020130422 |
6 | 1542025300 |
7 | 326245602 |
oct | 113076104 |
9 | 41044160 |
10 | 19692612 |
11 | 10130395 |
12 | 6718230 |
13 | 4106544 |
14 | 2888872 |
15 | 1adecac |
hex | 12c7c44 |
19692612 has 24 divisors (see below), whose sum is σ = 51055200. Its totient is φ = 6564168.
The previous prime is 19692611. The next prime is 19692637. The reversal of 19692612 is 21629691.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (19692611) 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 7 ways as a sum of consecutive naturals, for example, 91062 + ... + 91277.
It is an arithmetic number, because the mean of its divisors is an integer number (2127300).
Almost surely, 219692612 is an apocalyptic number.
19692612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19692612 is an abundant number, since it is smaller than the sum of its proper divisors (31362588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19692612 is a wasteful number, since it uses less digits than its factorization.
19692612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182352 (or 182344 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 19692612 is about 4437.6358570753. The cubic root of 19692612 is about 270.0439434649.
The spelling of 19692612 in words is "nineteen million, six hundred ninety-two thousand, six hundred twelve".
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