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12431364 = 22311412297
BaseRepresentation
bin101111011011…
…000000000100
3212101120121220
4233123000010
511140300424
61122240340
7210444021
oct57330004
925346556
1012431364
117020960
1241b60b0
13276344a
141918548
151158579
hexbdb004

12431364 has 48 divisors (see below), whose sum is σ = 32429376. Its totient is φ = 3673600.

The previous prime is 12431357. The next prime is 12431387. The reversal of 12431364 is 46313421.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4264 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (675612).

Almost surely, 212431364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12431364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16214688).

12431364 is an abundant number, since it is smaller than the sum of its proper divisors (19998012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431364 is a wasteful number, since it uses less digits than its factorization.

12431364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2354 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 12431364 is about 3525.8139485798. The cubic root of 12431364 is about 231.6538883854.

Adding to 12431364 its reverse (46313421), we get a palindrome (58744785).

The spelling of 12431364 in words is "twelve million, four hundred thirty-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 33 41 44 66 82 123 132 164 246 451 492 902 1353 1804 2297 2706 4594 5412 6891 9188 13782 25267 27564 50534 75801 94177 101068 151602 188354 282531 303204 376708 565062 1035947 1130124 2071894 3107841 4143788 6215682 12431364