Base | Representation |
---|---|
bin | 101111111101… |
… | …011100001011 |
3 | 212122202010110 |
4 | 233331130023 |
5 | 11204304202 |
6 | 1125245403 |
7 | 211602210 |
oct | 57753413 |
9 | 25582113 |
10 | 12572427 |
11 | 710793a |
12 | 4263863 |
13 | 27b270a |
14 | 1953b07 |
15 | 118526c |
hex | bfd70b |
12572427 has 8 divisors (see below), whose sum is σ = 19158016. Its totient is φ = 7184232.
The previous prime is 12572419. The next prime is 12572431. The reversal of 12572427 is 72427521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12572427 - 23 = 12572419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12572394 and 12572403.
It is not an unprimeable number, because it can be changed into a prime (12572437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299323 + ... + 299364.
It is an arithmetic number, because the mean of its divisors is an integer number (2394752).
Almost surely, 212572427 is an apocalyptic number.
12572427 is a deficient number, since it is larger than the sum of its proper divisors (6585589).
12572427 is an equidigital number, since it uses as much as digits as its factorization.
12572427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598697.
The product of its digits is 7840, while the sum is 30.
The square root of 12572427 is about 3545.7618363336. The cubic root of 12572427 is about 232.5268138805.
Adding to 12572427 its reverse (72427521), we get a palindrome (84999948).
It can be divided in two parts, 125724 and 27, that added together give a triangular number (125751 = T501).
The spelling of 12572427 in words is "twelve million, five hundred seventy-two thousand, four hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.110 sec. • engine limits •