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12045541 = 831031409
BaseRepresentation
bin101101111100…
…110011100101
3211122222101011
4231330303211
511040424131
61110102221
7204246124
oct55746345
924588334
1012045541
116887aa2
12404a971
132659951
141857abb
1510ce0b1
hexb7cce5

12045541 has 8 divisors (see below), whose sum is σ = 12317760. Its totient is φ = 11776512.

The previous prime is 12045521. The next prime is 12045589. The reversal of 12045541 is 14554021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12045541 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 (12045521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7845 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (1539720).

Almost surely, 212045541 is an apocalyptic number.

It is an amenable number.

12045541 is a deficient number, since it is larger than the sum of its proper divisors (272219).

12045541 is a wasteful number, since it uses less digits than its factorization.

12045541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12045541 is about 3470.6686675625. The cubic root of 12045541 is about 229.2321019679.

Adding to 12045541 its reverse (14554021), we get a palindrome (26599562).

The spelling of 12045541 in words is "twelve million, forty-five thousand, five hundred forty-one".

Divisors: 1 83 103 1409 8549 116947 145127 12045541