Search a number
-
+
12464309 = 1113101863
BaseRepresentation
bin101111100011…
…000010110101
3212110020211002
4233203002311
511142324214
61123053045
7210642044
oct57430265
925406732
1012464309
117043690
124211185
132775440
14192655b
1511631de
hexbe30b5

12464309 has 16 divisors (see below), whose sum is σ = 14805504. Its totient is φ = 10344000.

The previous prime is 12464303. The next prime is 12464311. The reversal of 12464309 is 90346421.

12464309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12464309 - 24 = 12464293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14012 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 212464309 is an apocalyptic number.

It is an amenable number.

12464309 is a deficient number, since it is larger than the sum of its proper divisors (2341195).

12464309 is a wasteful number, since it uses less digits than its factorization.

12464309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 12464309 is about 3530.4828281695. The cubic root of 12464309 is about 231.8583471886.

It can be divided in two parts, 1246 and 4309, that added together give a palindrome (5555).

The spelling of 12464309 in words is "twelve million, four hundred sixty-four thousand, three hundred nine".

Divisors: 1 11 13 101 143 863 1111 1313 9493 11219 14443 87163 123409 958793 1133119 12464309