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20323162 = 282312347
BaseRepresentation
bin100110110000…
…1101101011010
31102020112010201
41031201231122
520200320122
62003332414
7334513126
oct115415532
942215121
1020323162
1110521102
12698110a
134297552
1429b0586
151bb6a27
hex1361b5a

20323162 has 8 divisors (see below), whose sum is σ = 30524256. Its totient is φ = 10148412.

The previous prime is 20323157. The next prime is 20323169. The reversal of 20323162 is 26132302.

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 (20323169) 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, 4528 + ... + 7819.

It is an arithmetic number, because the mean of its divisors is an integer number (3815532).

Almost surely, 220323162 is an apocalyptic number.

20323162 is a deficient number, since it is larger than the sum of its proper divisors (10201094).

20323162 is a wasteful number, since it uses less digits than its factorization.

20323162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20323162 is about 4508.1217818511. The cubic root of 20323162 is about 272.8959516187.

Adding to 20323162 its reverse (26132302), we get a palindrome (46455464).

The spelling of 20323162 in words is "twenty million, three hundred twenty-three thousand, one hundred sixty-two".

Divisors: 1 2 823 1646 12347 24694 10161581 20323162