Search a number
-
+
12258156 = 2231760089
BaseRepresentation
bin101110110000…
…101101101100
3212001210000210
4232300231230
511114230111
61114422420
7206123031
oct56605554
925053023
1012258156
116a12809
124131a10
132702661
1418b1388
1511220a6
hexbb0b6c

12258156 has 24 divisors (see below), whose sum is σ = 30285360. Its totient is φ = 3845632.

The previous prime is 12258151. The next prime is 12258157. The reversal of 12258156 is 65185221.

It is not an unprimeable number, because it can be changed into a prime (12258151) 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, 29841 + ... + 30248.

It is an arithmetic number, because the mean of its divisors is an integer number (1261890).

Almost surely, 212258156 is an apocalyptic number.

It is an amenable number.

12258156 is an abundant number, since it is smaller than the sum of its proper divisors (18027204).

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

12258156 is a wasteful number, since it uses less digits than its factorization.

12258156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60113 (or 60111 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 12258156 is about 3501.1649489848. The cubic root of 12258156 is about 230.5729634141.

The spelling of 12258156 in words is "twelve million, two hundred fifty-eight thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 60089 120178 180267 240356 360534 721068 1021513 2043026 3064539 4086052 6129078 12258156