Search a number
-
+
12468489 = 311478039
BaseRepresentation
bin101111100100…
…000100001001
3212110110112220
4233210010021
511142442424
61123124253
7210660165
oct57440411
925413486
1012468489
117046840
124213689
132777307
141927ca5
151164579
hexbe4109

12468489 has 16 divisors (see below), whose sum is σ = 18524160. Its totient is φ = 7394960.

The previous prime is 12468457. The next prime is 12468557. The reversal of 12468489 is 98486421.

It is a cyclic number.

It is not a de Polignac number, because 12468489 - 25 = 12468457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12468489.

It is not an unprimeable number, because it can be changed into a prime (12468689) 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, 2469 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (1157760).

Almost surely, 212468489 is an apocalyptic number.

It is an amenable number.

12468489 is a deficient number, since it is larger than the sum of its proper divisors (6055671).

12468489 is a wasteful number, since it uses less digits than its factorization.

12468489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100.

The product of its digits is 110592, while the sum is 42.

The square root of 12468489 is about 3531.0747655636. The cubic root of 12468489 is about 231.8842627735.

The spelling of 12468489 in words is "twelve million, four hundred sixty-eight thousand, four hundred eighty-nine".

Divisors: 1 3 11 33 47 141 517 1551 8039 24117 88429 265287 377833 1133499 4156163 12468489