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20486482 = 271144271
BaseRepresentation
bin100111000100…
…1100101010010
31102112211011121
41032021211102
520221031412
62011032454
7336063232
oct116114522
942484147
1020486482
1110622885
126a3b72a
1343239a3
142a13cc2
151bea107
hex1389952

20486482 has 8 divisors (see below), whose sum is σ = 31162752. Its totient is φ = 10098900.

The previous prime is 20486449. The next prime is 20486489. The reversal of 20486482 is 28468402.

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 (20486489) 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 in 3 ways as a sum of consecutive naturals, for example, 71994 + ... + 72277.

It is an arithmetic number, because the mean of its divisors is an integer number (3895344).

Almost surely, 220486482 is an apocalyptic number.

20486482 is a deficient number, since it is larger than the sum of its proper divisors (10676270).

20486482 is a wasteful number, since it uses less digits than its factorization.

20486482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144344.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 20486482 is about 4526.1995095223. The cubic root of 20486482 is about 273.6250131738.

The spelling of 20486482 in words is "twenty million, four hundred eighty-six thousand, four hundred eighty-two".

Divisors: 1 2 71 142 144271 288542 10243241 20486482