Search a number
-
+
12084210 = 2325134269
BaseRepresentation
bin101110000110…
…001111110010
3211201221102100
4232012033302
511043143320
61111001230
7204466635
oct56061762
924657370
1012084210
116904056
124069216
132671428
141867c1c
1510da790
hexb863f2

12084210 has 24 divisors (see below), whose sum is σ = 31419180. Its totient is φ = 3222432.

The previous prime is 12084197. The next prime is 12084211. The reversal of 12084210 is 1248021.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 408321 = 3417^2 + 639^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12084211) 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 11 ways as a sum of consecutive naturals, for example, 67045 + ... + 67224.

Almost surely, 212084210 is an apocalyptic number.

12084210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12084210 is an abundant number, since it is smaller than the sum of its proper divisors (19334970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12084210 is a wasteful number, since it uses less digits than its factorization.

12084210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134282 (or 134279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12084210 is about 3476.2350323302. The cubic root of 12084210 is about 229.4771361448.

The spelling of 12084210 in words is "twelve million, eighty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 134269 268538 402807 671345 805614 1208421 1342690 2014035 2416842 4028070 6042105 12084210