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12189096 = 233356431
BaseRepresentation
bin101110011111…
…110110101000
3211221021022000
4232133312220
511110022341
61113131000
7205414503
oct56376650
924837260
1012189096
116975937
1240b9a60
1326aa0aa
14189413a
15110b8b6
hexb9fda8

12189096 has 32 divisors (see below), whose sum is σ = 33859200. Its totient is φ = 4062960.

The previous prime is 12189071. The next prime is 12189097. The reversal of 12189096 is 69098121.

It is a super-2 number, since 2×121890962 = 297148122594432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12189096.

It is not an unprimeable number, because it can be changed into a prime (12189097) 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, 28000 + ... + 28431.

It is an arithmetic number, because the mean of its divisors is an integer number (1058100).

Almost surely, 212189096 is an apocalyptic number.

It is an amenable number.

12189096 is an abundant number, since it is smaller than the sum of its proper divisors (21670104).

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

12189096 is a wasteful number, since it uses less digits than its factorization.

12189096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56446 (or 56436 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12189096 is about 3491.2885873270. The cubic root of 12189096 is about 230.1391470548.

The spelling of 12189096 in words is "twelve million, one hundred eighty-nine thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 56431 112862 169293 225724 338586 451448 507879 677172 1015758 1354344 1523637 2031516 3047274 4063032 6094548 12189096