Base | Representation |
---|---|
bin | 101101110110… |
… | …110100000000 |
3 | 211121201200221 |
4 | 231312310000 |
5 | 11034132432 |
6 | 1105352424 |
7 | 204114424 |
oct | 55666400 |
9 | 24551627 |
10 | 12020992 |
11 | 6870605 |
12 | 4038714 |
13 | 264b719 |
14 | 184cb84 |
15 | 10c6b97 |
hex | b76d00 |
12020992 has 18 divisors (see below), whose sum is σ = 23995538. Its totient is φ = 6010368.
The previous prime is 12020947. The next prime is 12021001. The reversal of 12020992 is 29902021.
It can be written as a sum of positive squares in only one way, i.e., 9144576 + 2876416 = 3024^2 + 1696^2 .
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, 23223 + ... + 23734.
Almost surely, 212020992 is an apocalyptic number.
It is an amenable number.
12020992 is a deficient number, since it is larger than the sum of its proper divisors (11974546).
12020992 is an frugal number, since it uses more digits than its factorization.
12020992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46973 (or 46959 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 12020992 is about 3467.1302254170. The cubic root of 12020992 is about 229.0762698602.
It can be divided in two parts, 120 and 20992, that added together give a palindrome (21112).
The spelling of 12020992 in words is "twelve million, twenty thousand, nine hundred ninety-two".
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