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32112020 = 2254139161
BaseRepresentation
bin111101001111…
…1110110010100
32020102110102002
41322133312110
531210041040
63104134432
7536643023
oct172376624
966373362
1032112020
1117143266
12a907418
1368643c5
14439c8ba
152c44a15
hex1e9fd94

32112020 has 24 divisors (see below), whose sum is σ = 69081768. Its totient is φ = 12531200.

The previous prime is 32112007. The next prime is 32112029. The reversal of 32112020 is 2021123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 32103556 = 92^2 + 5666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32111992 and 32112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18761 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (2878407).

Almost surely, 232112020 is an apocalyptic number.

It is an amenable number.

32112020 is an abundant number, since it is smaller than the sum of its proper divisors (36969748).

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

32112020 is a wasteful number, since it uses less digits than its factorization.

32112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39211 (or 39209 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 32112020 is about 5666.7468621776. The cubic root of 32112020 is about 317.8502386727.

Adding to 32112020 its reverse (2021123), we get a palindrome (34133143).

The spelling of 32112020 in words is "thirty-two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 39161 78322 156644 195805 391610 783220 1605601 3211202 6422404 8028005 16056010 32112020