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12045055 = 511219001
BaseRepresentation
bin101101111100…
…101011111111
3211122221201011
4231330223333
511040420210
61110100051
7204244531
oct55745377
924587634
1012045055
1168876a0
12404a627
132659669
141857851
1510cdd8a
hexb7caff

12045055 has 8 divisors (see below), whose sum is σ = 15768144. Its totient is φ = 8760000.

The previous prime is 12045053. The next prime is 12045067. The reversal of 12045055 is 55054021.

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

It is not a de Polignac number, because 12045055 - 21 = 12045053 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 (12045053) 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, 109446 + ... + 109555.

It is an arithmetic number, because the mean of its divisors is an integer number (1971018).

Almost surely, 212045055 is an apocalyptic number.

12045055 is a deficient number, since it is larger than the sum of its proper divisors (3723089).

12045055 is a wasteful number, since it uses less digits than its factorization.

12045055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219017.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12045055 is about 3470.5986515297. The cubic root of 12045055 is about 229.2290189931.

Adding to 12045055 its reverse (55054021), we get a palindrome (67099076).

The spelling of 12045055 in words is "twelve million, forty-five thousand, fifty-five".

Divisors: 1 5 11 55 219001 1095005 2409011 12045055