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20433482 = 277313217
BaseRepresentation
bin100110111110…
…0101001001010
31102110010110122
41031330221022
520212332412
62005543242
7335452556
oct115745112
942403418
1020433482
1110596a83
126a14b22
134305824
1429dc866
151bd9572
hex137ca4a

20433482 has 8 divisors (see below), whose sum is σ = 30692196. Its totient is φ = 10202752.

The previous prime is 20433481. The next prime is 20433533. The reversal of 20433482 is 28433402.

Adding to 20433482 its reverse (28433402), we get a palindrome (48866884).

It can be written as a sum of positive squares in 2 ways, for example, as 18498601 + 1934881 = 4301^2 + 1391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20433481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063 + ... + 8154.

Almost surely, 220433482 is an apocalyptic number.

20433482 is a deficient number, since it is larger than the sum of its proper divisors (10258714).

20433482 is a wasteful number, since it uses less digits than its factorization.

20433482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20433482 is about 4520.3409163469. The cubic root of 20433482 is about 273.3888468777.

The spelling of 20433482 in words is "twenty million, four hundred thirty-three thousand, four hundred eighty-two".

Divisors: 1 2 773 1546 13217 26434 10216741 20433482