Base | Representation |
---|---|
bin | 101110111000… |
… | …101110100111 |
3 | 212010110001121 |
4 | 232320232213 |
5 | 11121302413 |
6 | 1115234411 |
7 | 206320525 |
oct | 56705647 |
9 | 25113047 |
10 | 12290983 |
11 | 6a35441 |
12 | 4148a07 |
13 | 2714593 |
14 | 18bd315 |
15 | 112bb8d |
hex | bb8ba7 |
12290983 has 16 divisors (see below), whose sum is σ = 13646880. Its totient is φ = 11017216.
The previous prime is 12290981. The next prime is 12290987. The reversal of 12290983 is 38909221.
It is not a de Polignac number, because 12290983 - 21 = 12290981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12290981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52635 + ... + 52867.
It is an arithmetic number, because the mean of its divisors is an integer number (852930).
Almost surely, 212290983 is an apocalyptic number.
12290983 is a deficient number, since it is larger than the sum of its proper divisors (1355897).
12290983 is a wasteful number, since it uses less digits than its factorization.
12290983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 12290983 is about 3505.8498256486. The cubic root of 12290983 is about 230.7786026137.
It can be divided in two parts, 12290 and 983, that multiplied together give a triangular number (12081070 = T4915).
The spelling of 12290983 in words is "twelve million, two hundred ninety thousand, nine hundred eighty-three".
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