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20000326 = 220534871
BaseRepresentation
bin100110001001…
…0111001000110
31101122010021211
41030102321012
520110002301
61552402034
7331666663
oct114227106
941563254
1020000326
11103205a5
12684631a
1341b3618
142928a6a
151b51051
hex1312e46

20000326 has 8 divisors (see below), whose sum is σ = 30021264. Its totient is φ = 9993240.

The previous prime is 20000311. The next prime is 20000327. The reversal of 20000326 is 62300002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000327) 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, 1671 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (3752658).

Almost surely, 220000326 is an apocalyptic number.

20000326 is a deficient number, since it is larger than the sum of its proper divisors (10020938).

20000326 is a wasteful number, since it uses less digits than its factorization.

20000326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20000326 is about 4472.1724027591. The cubic root of 20000326 is about 271.4432364850.

Adding to 20000326 its reverse (62300002), we get a palindrome (82300328).

The spelling of 20000326 in words is "twenty million, three hundred twenty-six", and thus it is an aban number.

Divisors: 1 2 2053 4106 4871 9742 10000163 20000326