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20323762 = 210161881
BaseRepresentation
bin100110110000…
…1110110110010
31102020112221221
41031201312302
520200330022
62003335254
7334514644
oct115416662
942215857
1020323762
11105215a8
12698152a
1342978c4
1429b0894
151bb6cc7
hex1361db2

20323762 has 4 divisors (see below), whose sum is σ = 30485646. Its totient is φ = 10161880.

The previous prime is 20323753. The next prime is 20323769. The reversal of 20323762 is 26732302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 9174841 = 3339^2 + 3029^2 .

It is not an unprimeable number, because it can be changed into a prime (20323769) 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 as a sum of consecutive naturals, namely, 5080939 + ... + 5080942.

Almost surely, 220323762 is an apocalyptic number.

20323762 is a deficient number, since it is larger than the sum of its proper divisors (10161884).

20323762 is a wasteful number, since it uses less digits than its factorization.

20323762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161883.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20323762 is about 4508.1883279207. The cubic root of 20323762 is about 272.8986371582.

The spelling of 20323762 in words is "twenty million, three hundred twenty-three thousand, seven hundred sixty-two".

Divisors: 1 2 10161881 20323762