Search a number
-
+
12190164 = 2237145121
BaseRepresentation
bin101110100000…
…000111010100
3211221022202120
4232200013110
511110041124
61113135540
7205420560
oct56400724
924838676
1012190164
116976718
1240ba5b0
1326aa71c
1418946a0
15110bd79
hexba01d4

12190164 has 24 divisors (see below), whose sum is σ = 32507328. Its totient is φ = 3482880.

The previous prime is 12190151. The next prime is 12190187. The reversal of 12190164 is 46109121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72477 + ... + 72644.

It is an arithmetic number, because the mean of its divisors is an integer number (1354472).

Almost surely, 212190164 is an apocalyptic number.

12190164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12190164 is an abundant number, since it is smaller than the sum of its proper divisors (20317164).

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

12190164 is a wasteful number, since it uses less digits than its factorization.

12190164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145135 (or 145133 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12190164 is about 3491.4415360994. The cubic root of 12190164 is about 230.1458684018.

Adding to 12190164 its reverse (46109121), we get a palindrome (58299285).

The spelling of 12190164 in words is "twelve million, one hundred ninety thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 145121 290242 435363 580484 870726 1015847 1741452 2031694 3047541 4063388 6095082 12190164