Base | Representation |
---|---|
bin | 110000011010… |
… | …111011111010 |
3 | 212212212212002 |
4 | 300122323322 |
5 | 11222140432 |
6 | 1132021002 |
7 | 212614352 |
oct | 60327372 |
9 | 25785762 |
10 | 12693242 |
11 | 718a691 |
12 | 4301762 |
13 | 28256c3 |
14 | 1985b62 |
15 | 11aae62 |
hex | c1aefa |
12693242 has 8 divisors (see below), whose sum is σ = 19696500. Its totient is φ = 6127744.
The previous prime is 12693223. The next prime is 12693251. The reversal of 12693242 is 24239621.
It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 450241 = 3499^2 + 671^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×126932422 = 322236784941128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a pancake number, because a pancake can be divided into 12693242 parts by 5038 straight cuts.
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, 109367 + ... + 109482.
Almost surely, 212693242 is an apocalyptic number.
12693242 is a deficient number, since it is larger than the sum of its proper divisors (7003258).
12693242 is a wasteful number, since it uses less digits than its factorization.
12693242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218880.
The product of its digits is 5184, while the sum is 29.
The square root of 12693242 is about 3562.7576398066. The cubic root of 12693242 is about 233.2692644957.
The spelling of 12693242 in words is "twelve million, six hundred ninety-three thousand, two hundred forty-two".
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