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12051441 = 326412089
BaseRepresentation
bin101101111110…
…001111110001
3211200021110200
4231332033301
511041121231
61110145413
7204302253
oct55761761
924607420
1012051441
116891476
124052269
13265c53c
141859cd3
1510d0be6
hexb7e3f1

12051441 has 12 divisors (see below), whose sum is σ = 17443140. Its totient is φ = 8017920.

The previous prime is 12051433. The next prime is 12051451. The reversal of 12051441 is 14415021.

It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 1299600 = 3279^2 + 1140^2 .

It is not a de Polignac number, because 12051441 - 23 = 12051433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12051451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4725 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1453595).

Almost surely, 212051441 is an apocalyptic number.

It is an amenable number.

12051441 is a deficient number, since it is larger than the sum of its proper divisors (5391699).

12051441 is a wasteful number, since it uses less digits than its factorization.

12051441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12051441 is about 3471.5185438076. The cubic root of 12051441 is about 229.2695224165.

Adding to 12051441 its reverse (14415021), we get a palindrome (26466462).

The spelling of 12051441 in words is "twelve million, fifty-one thousand, four hundred forty-one".

Divisors: 1 3 9 641 1923 2089 5769 6267 18801 1339049 4017147 12051441