Search a number
-
+
12590140 = 2255771091
BaseRepresentation
bin110000000001…
…110000111100
3212200122102111
4300001300330
511210341030
61125503404
7212004643
oct60016074
925618374
1012590140
11711a182
124271b64
1327ba7b4
14195a35a
15118a62a
hexc01c3c

12590140 has 24 divisors (see below), whose sum is σ = 26509392. Its totient is φ = 5022720.

The previous prime is 12590129. The next prime is 12590143. The reversal of 12590140 is 4109521.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12590143) 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, 10995 + ... + 12085.

It is an arithmetic number, because the mean of its divisors is an integer number (1104558).

Almost surely, 212590140 is an apocalyptic number.

12590140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12590140 is an abundant number, since it is smaller than the sum of its proper divisors (13919252).

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

12590140 is a wasteful number, since it uses less digits than its factorization.

12590140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12590140 is about 3548.2587278833. The cubic root of 12590140 is about 232.6359631773.

Adding to 12590140 its reverse (4109521), we get a palindrome (16699661).

The spelling of 12590140 in words is "twelve million, five hundred ninety thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 577 1091 1154 2182 2308 2885 4364 5455 5770 10910 11540 21820 629507 1259014 2518028 3147535 6295070 12590140