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20001194 = 241243917
BaseRepresentation
bin100110001001…
…1000110101010
31101122011110222
41030103012222
520110014234
61552410042
7332002343
oct114230652
941564428
1020001194
1110321214
126846922
1341b3b35
1429290ca
151b5142e
hex13131aa

20001194 has 8 divisors (see below), whose sum is σ = 30733668. Its totient is φ = 9756640.

The previous prime is 20001181. The next prime is 20001203. The reversal of 20001194 is 49110002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 6568969 = 3665^2 + 2563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×200011942 = 800095522851272, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 121877 + ... + 122040.

Almost surely, 220001194 is an apocalyptic number.

20001194 is a deficient number, since it is larger than the sum of its proper divisors (10732474).

20001194 is a wasteful number, since it uses less digits than its factorization.

20001194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243960.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 20001194 is about 4472.2694462655. The cubic root of 20001194 is about 271.4471632431.

Adding to 20001194 its reverse (49110002), we get a palindrome (69111196).

The spelling of 20001194 in words is "twenty million, one thousand, one hundred ninety-four".

Divisors: 1 2 41 82 243917 487834 10000597 20001194