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12038441 = 55721613
BaseRepresentation
bin101101111011…
…000100101001
3211122121122012
4231323010221
511040212231
61110005305
7204216332
oct55730451
924577565
1012038441
116882728
124046835
13265664c
141855289
1510cbe2b
hexb7b129

12038441 has 4 divisors (see below), whose sum is σ = 12060612. Its totient is φ = 12016272.

The previous prime is 12038437. The next prime is 12038443. The reversal of 12038441 is 14483021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7645225 + 4393216 = 2765^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 12038441 - 22 = 12038437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12038443) 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 3 ways as a sum of consecutive naturals, for example, 10250 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (3015153).

Almost surely, 212038441 is an apocalyptic number.

It is an amenable number.

12038441 is a deficient number, since it is larger than the sum of its proper divisors (22171).

12038441 is an equidigital number, since it uses as much as digits as its factorization.

12038441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12038441 is about 3469.6456591416. The cubic root of 12038441 is about 229.1870543772.

The spelling of 12038441 in words is "twelve million, thirty-eight thousand, four hundred forty-one".

Divisors: 1 557 21613 12038441