Search a number
-
+
12143592 = 2332227743
BaseRepresentation
bin101110010100…
…101111101000
3211211221212200
4232110233220
511102043332
61112140200
7205135026
oct56245750
924757780
1012143592
11694472a
124097660
132692476
141881716
1510ed17c
hexb94be8

12143592 has 48 divisors (see below), whose sum is σ = 33078240. Its totient is φ = 4024608.

The previous prime is 12143591. The next prime is 12143633. The reversal of 12143592 is 29534121.

It is not an unprimeable number, because it can be changed into a prime (12143591) 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, 15973 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (689130).

Almost surely, 212143592 is an apocalyptic number.

12143592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12143592 is an abundant number, since it is smaller than the sum of its proper divisors (20934648).

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

12143592 is a wasteful number, since it uses less digits than its factorization.

12143592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 975 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12143592 is about 3484.7657023106. The cubic root of 12143592 is about 229.8524068837.

The spelling of 12143592 in words is "twelve million, one hundred forty-three thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 227 454 681 743 908 1362 1486 1816 2043 2229 2724 2972 4086 4458 5448 5944 6687 8172 8916 13374 16344 17832 26748 53496 168661 337322 505983 674644 1011966 1349288 1517949 2023932 3035898 4047864 6071796 12143592