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20023962 = 237491971
BaseRepresentation
bin100110001100…
…0101010011010
31101200022201020
41030120222122
520111231322
61553103310
7332125620
oct114305232
941608636
1020023962
1110337332
126857b36
1341c12ca
142933510
151b5805c
hex1318a9a

20023962 has 32 divisors (see below), whose sum is σ = 45909504. Its totient is φ = 5703600.

The previous prime is 20023933. The next prime is 20023981. The reversal of 20023962 is 26932002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20137 + ... + 21107.

It is an arithmetic number, because the mean of its divisors is an integer number (1434672).

Almost surely, 220023962 is an apocalyptic number.

20023962 is an abundant number, since it is smaller than the sum of its proper divisors (25885542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023962 is a wasteful number, since it uses less digits than its factorization.

20023962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20023962 is about 4474.8141860864. The cubic root of 20023962 is about 271.5501231866.

Adding to 20023962 its reverse (26932002), we get a palindrome (46955964).

The spelling of 20023962 in words is "twenty million, twenty-three thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 491 971 982 1473 1942 2913 2946 3437 5826 6797 6874 10311 13594 20391 20622 40782 476761 953522 1430283 2860566 3337327 6674654 10011981 20023962