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23320032 = 253421577
BaseRepresentation
bin101100011110…
…1010111100000
31121212210001220
41120331113200
521432220112
62151455040
7402134301
oct130752740
947783056
1023320032
111218875a
127987480
134aa6648
1431507a8
1520a998c
hex163d5e0

23320032 has 48 divisors (see below), whose sum is σ = 61466832. Its totient is φ = 7741440.

The previous prime is 23320019. The next prime is 23320057. The reversal of 23320032 is 23002332.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 23319993 and 23320020.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40128 + ... + 40704.

It is an arithmetic number, because the mean of its divisors is an integer number (1280559).

Almost surely, 223320032 is an apocalyptic number.

It is an amenable number.

23320032 is an abundant number, since it is smaller than the sum of its proper divisors (38146800).

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

23320032 is a wasteful number, since it uses less digits than its factorization.

23320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 23320032 is about 4829.0819003202. The cubic root of 23320032 is about 285.6996537269.

Adding to 23320032 its reverse (23002332), we get a palindrome (46322364).

The spelling of 23320032 in words is "twenty-three million, three hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 421 577 842 1154 1263 1684 1731 2308 2526 3368 3462 4616 5052 6736 6924 9232 10104 13472 13848 18464 20208 27696 40416 55392 242917 485834 728751 971668 1457502 1943336 2915004 3886672 5830008 7773344 11660016 23320032