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12141472 = 25767809
BaseRepresentation
bin101110010100…
…001110100000
3211211211222011
4232110032200
511102011342
61112122304
7205125610
oct56241640
924754864
1012141472
116943082
124096394
132691505
141880a40
1510ec717
hexb943a0

12141472 has 48 divisors (see below), whose sum is σ = 27760320. Its totient is φ = 5119488.

The previous prime is 12141449. The next prime is 12141499. The reversal of 12141472 is 27414121.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14604 + ... + 15412.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 212141472 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 12141472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880160).

12141472 is an abundant number, since it is smaller than the sum of its proper divisors (15618848).

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

12141472 is an equidigital number, since it uses as much as digits as its factorization.

12141472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 885 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 12141472 is about 3484.4615078947. The cubic root of 12141472 is about 229.8390304060.

Adding to 12141472 its reverse (27414121), we get a palindrome (39555593).

The spelling of 12141472 in words is "twelve million, one hundred forty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 67 112 134 224 268 469 536 809 938 1072 1618 1876 2144 3236 3752 5663 6472 7504 11326 12944 15008 22652 25888 45304 54203 90608 108406 181216 216812 379421 433624 758842 867248 1517684 1734496 3035368 6070736 12141472