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12005470 = 252694463
BaseRepresentation
bin101101110011…
…000001011110
3211120221102001
4231303001132
511033133340
61105152514
7204021241
oct55630136
924527361
1012005470
11685a984
12402b73a
132644639
141847258
1510c229a
hexb7305e

12005470 has 16 divisors (see below), whose sum is σ = 21695040. Its totient is φ = 4783264.

The previous prime is 12005423. The next prime is 12005479. The reversal of 12005470 is 7450021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005479) 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 7 ways as a sum of consecutive naturals, for example, 459 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1355940).

Almost surely, 212005470 is an apocalyptic number.

12005470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12005470 is a deficient number, since it is larger than the sum of its proper divisors (9689570).

12005470 is a wasteful number, since it uses less digits than its factorization.

12005470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12005470 is about 3464.8910516782. The cubic root of 12005470 is about 228.9776298203.

Adding to 12005470 its reverse (7450021), we get a palindrome (19455491).

It can be divided in two parts, 1200 and 5470, that added together give a triangular number (6670 = T115).

The spelling of 12005470 in words is "twelve million, five thousand, four hundred seventy".

Divisors: 1 2 5 10 269 538 1345 2690 4463 8926 22315 44630 1200547 2401094 6002735 12005470