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32010421 = 196171389
BaseRepresentation
bin111101000011…
…1000010110101
32020020022001011
41322013002311
531143313141
63102032221
7536040562
oct172070265
966208034
1032010421
11170839a3
12a878671
13682a0a1
144373869
152c24881
hex1e870b5

32010421 has 16 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 29332800.

The previous prime is 32010409. The next prime is 32010437. The reversal of 32010421 is 12401023.

It is a cyclic number.

It is not a de Polignac number, because 32010421 - 29 = 32009909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32010481) 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 15 ways as a sum of consecutive naturals, for example, 82095 + ... + 82483.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 232010421 is an apocalyptic number.

It is an amenable number.

32010421 is a deficient number, since it is larger than the sum of its proper divisors (2808779).

32010421 is a wasteful number, since it uses less digits than its factorization.

32010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 32010421 is about 5657.7752694853. The cubic root of 32010421 is about 317.5146697915.

Adding to 32010421 its reverse (12401023), we get a palindrome (44411444).

The spelling of 32010421 in words is "thirty-two million, ten thousand, four hundred twenty-one".

Divisors: 1 19 61 71 389 1159 1349 4331 7391 23729 27619 82289 450851 524761 1684759 32010421