Base | Representation |
---|---|
bin | 101110111001… |
… | …011101010101 |
3 | 212010121011100 |
4 | 232321131111 |
5 | 11121401343 |
6 | 1115300313 |
7 | 206332326 |
oct | 56713525 |
9 | 25117140 |
10 | 12293973 |
11 | 6a3770a |
12 | 414a699 |
13 | 2715a53 |
14 | 18c044d |
15 | 112c9d3 |
hex | bb9755 |
12293973 has 12 divisors (see below), whose sum is σ = 18191628. Its totient is φ = 7995840.
The previous prime is 12293971. The next prime is 12293989. The reversal of 12293973 is 37939221.
It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 10381284 = 1383^2 + 3222^2 .
It is not a de Polignac number, because 12293973 - 21 = 12293971 is a prime.
It is a super-2 number, since 2×122939732 = 302283544249458, which contains 22 as substring.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12293971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16290 + ... + 17027.
It is an arithmetic number, because the mean of its divisors is an integer number (1515969).
Almost surely, 212293973 is an apocalyptic number.
It is an amenable number.
12293973 is a deficient number, since it is larger than the sum of its proper divisors (5897655).
12293973 is a wasteful number, since it uses less digits than its factorization.
12293973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33364 (or 33361 counting only the distinct ones).
The product of its digits is 20412, while the sum is 36.
The square root of 12293973 is about 3506.2762298484. The cubic root of 12293973 is about 230.7973147616.
The spelling of 12293973 in words is "twelve million, two hundred ninety-three thousand, nine hundred seventy-three".
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