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12145066 = 219319607
BaseRepresentation
bin101110010101…
…000110101010
3211212000220021
4232111012222
511102120231
61112151054
7205142233
oct56250652
924760807
1012145066
11694584a
12409848a
13269303b
14188208a
1510ed811
hexb951aa

12145066 has 8 divisors (see below), whose sum is σ = 19176480. Its totient is φ = 5752908.

The previous prime is 12145057. The next prime is 12145069. The reversal of 12145066 is 66054121.

12145066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12145066.

It is not an unprimeable number, because it can be changed into a prime (12145069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159766 + ... + 159841.

It is an arithmetic number, because the mean of its divisors is an integer number (2397060).

Almost surely, 212145066 is an apocalyptic number.

12145066 is a deficient number, since it is larger than the sum of its proper divisors (7031414).

12145066 is a wasteful number, since it uses less digits than its factorization.

12145066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319628.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12145066 is about 3484.9771878737. The cubic root of 12145066 is about 229.8617064040.

Adding to 12145066 its reverse (66054121), we get a palindrome (78199187).

The spelling of 12145066 in words is "twelve million, one hundred forty-five thousand, sixty-six".

Divisors: 1 2 19 38 319607 639214 6072533 12145066