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20236192 = 25632381
BaseRepresentation
bin100110100110…
…0011110100000
31102002002211121
41031030132200
520140024232
62001422024
7334001434
oct115143640
942062747
1020236192
1110471829
12693a914
134266aa2
14298a9c4
151b9ad97
hex134c7a0

20236192 has 12 divisors (see below), whose sum is σ = 39840066. Its totient is φ = 10118080.

The previous prime is 20236189. The next prime is 20236199. The reversal of 20236192 is 29163202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 7817616 = 3524^2 + 2796^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20236199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316159 + ... + 316222.

Almost surely, 220236192 is an apocalyptic number.

It is an amenable number.

20236192 is a deficient number, since it is larger than the sum of its proper divisors (19603874).

20236192 is an equidigital number, since it uses as much as digits as its factorization.

20236192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632391 (or 632383 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20236192 is about 4498.4655161510. The cubic root of 20236192 is about 272.5061222427.

Adding to 20236192 its reverse (29163202), we get a palindrome (49399394).

The spelling of 20236192 in words is "twenty million, two hundred thirty-six thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 632381 1264762 2529524 5059048 10118096 20236192