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20124196 = 2222432
BaseRepresentation
bin100110011000…
…1001000100100
31101212102012121
41030301020210
520122433241
61555155324
7333024061
oct114611044
941772177
1020124196
11103a5674
1268a5b44
134227b11
14295bc68
151b77ad1
hex1331224

20124196 has 9 divisors (see below), whose sum is σ = 35233051. Its totient is φ = 10057612.

The previous prime is 20124193. The next prime is 20124197. The reversal of 20124196 is 69142102.

The square root of 20124196 is 4486.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20124196.

It is not an unprimeable number, because it can be changed into a prime (20124191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7851 + ... + 10093.

Almost surely, 220124196 is an apocalyptic number.

20124196 is the 4486-th square number.

It is an amenable number.

20124196 is a deficient number, since it is larger than the sum of its proper divisors (15108855).

20124196 is an frugal number, since it uses more digits than its factorization.

20124196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The cubic root of 20124196 is about 272.0024689799.

Multiplying 20124196 by its sum of digits (25), we get a square (503104900 = 224302).

Adding to 20124196 its reverse (69142102), we get a palindrome (89266298).

The spelling of 20124196 in words is "twenty million, one hundred twenty-four thousand, one hundred ninety-six".

Divisors: 1 2 4 2243 4486 8972 5031049 10062098 20124196