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32045421 = 325142557
BaseRepresentation
bin111101000111…
…1100101101101
32020022002001110
41322033211231
531200423141
63102502233
7536244612
oct172174555
966262043
1032045421
11170a8221
12a894979
13683ccb5
144382509
152c2ee16
hex1e8f96d

32045421 has 8 divisors (see below), whose sum is σ = 42898464. Its totient is φ = 21278000.

The previous prime is 32045411. The next prime is 32045473. The reversal of 32045421 is 12454023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32045421 - 25 = 32045389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32045411) 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, 20526 + ... + 22031.

It is an arithmetic number, because the mean of its divisors is an integer number (5362308).

Almost surely, 232045421 is an apocalyptic number.

It is an amenable number.

32045421 is a deficient number, since it is larger than the sum of its proper divisors (10853043).

32045421 is a wasteful number, since it uses less digits than its factorization.

32045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42811.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 32045421 is about 5660.8675130231. The cubic root of 32045421 is about 317.6303505111.

Adding to 32045421 its reverse (12454023), we get a palindrome (44499444).

The spelling of 32045421 in words is "thirty-two million, forty-five thousand, four hundred twenty-one".

Divisors: 1 3 251 753 42557 127671 10681807 32045421