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32020312 = 2313992861
BaseRepresentation
bin111101000100…
…1011101011000
32020020210121111
41322021131120
531144122222
63102150104
7536111452
oct172113530
966223544
1032020312
1117090375
12a882334
13683173c
1443772d2
152c27777
hex1e89758

32020312 has 16 divisors (see below), whose sum is σ = 60102000. Its totient is φ = 15993120.

The previous prime is 32020309. The next prime is 32020319. The reversal of 32020312 is 21302023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32020292 and 32020301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020319) 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, 9762 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (3756375).

Almost surely, 232020312 is an apocalyptic number.

It is an amenable number.

32020312 is a deficient number, since it is larger than the sum of its proper divisors (28081688).

32020312 is a wasteful number, since it uses less digits than its factorization.

32020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266 (or 4262 counting only the distinct ones).

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

The square root of 32020312 is about 5658.6493088015. The cubic root of 32020312 is about 317.5473697070.

Adding to 32020312 its reverse (21302023), we get a palindrome (53322335).

The spelling of 32020312 in words is "thirty-two million, twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 1399 2798 2861 5596 5722 11192 11444 22888 4002539 8005078 16010156 32020312