Search a number
-
+
12428763 = 323435971
BaseRepresentation
bin101111011010…
…010111011011
3212101110001120
4233122113123
511140210023
61122220323
7210433314
oct57322733
925343046
1012428763
117019a06
1241b46a3
1327621c9
14191760b
1511578e3
hexbda5db

12428763 has 32 divisors (see below), whose sum is σ = 18247680. Its totient is φ = 7502880.

The previous prime is 12428753. The next prime is 12428771. The reversal of 12428763 is 36782421.

It is not a de Polignac number, because 12428763 - 213 = 12420571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12428723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175018 + ... + 175088.

It is an arithmetic number, because the mean of its divisors is an integer number (570240).

Almost surely, 212428763 is an apocalyptic number.

12428763 is a deficient number, since it is larger than the sum of its proper divisors (5818917).

12428763 is a wasteful number, since it uses less digits than its factorization.

12428763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its digits is 16128, while the sum is 33.

The square root of 12428763 is about 3525.4450782844. The cubic root of 12428763 is about 231.6377310328.

The spelling of 12428763 in words is "twelve million, four hundred twenty-eight thousand, seven hundred sixty-three".

Divisors: 1 3 23 43 59 69 71 129 177 213 989 1357 1633 2537 2967 3053 4071 4189 4899 7611 9159 12567 58351 70219 96347 175053 180127 210657 289041 540381 4142921 12428763