Base | Representation |
---|---|
bin | 100110100000… |
… | …1110010001000 |
3 | 1101222212202101 |
4 | 1031001302020 |
5 | 20132124032 |
6 | 2000443144 |
7 | 333426643 |
oct | 115016210 |
9 | 41885671 |
10 | 20192392 |
11 | 10441930 |
12 | 69194b4 |
13 | 424cb7c |
14 | 2978a5a |
15 | 1b8cde7 |
hex | 1341c88 |
20192392 has 16 divisors (see below), whose sum is σ = 41302800. Its totient is φ = 9178320.
The previous prime is 20192369. The next prime is 20192401. The reversal of 20192392 is 29329102.
It is a self number, because there is not a number n which added to its sum of digits gives 20192392.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114642 + ... + 114817.
It is an arithmetic number, because the mean of its divisors is an integer number (2581425).
Almost surely, 220192392 is an apocalyptic number.
20192392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20192392 is an abundant number, since it is smaller than the sum of its proper divisors (21110408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20192392 is a wasteful number, since it uses less digits than its factorization.
20192392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229476 (or 229472 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 20192392 is about 4493.5945522488. The cubic root of 20192392 is about 272.3093726115.
It can be divided in two parts, 2019239 and 2, that added together give a square (2019241 = 14212).
The spelling of 20192392 in words is "twenty million, one hundred ninety-two thousand, three hundred ninety-two".
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