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32830321 is a prime number
BaseRepresentation
bin111110100111…
…1001101110001
32021202221201211
41331033031301
531401032241
63131400121
7546024136
oct175171561
967687654
1032830321
11175939a7
12abb3041
136a56334
14450858d
152d37781
hex1f4f371

32830321 has 2 divisors, whose sum is σ = 32830322. Its totient is φ = 32830320.

The previous prime is 32830313. The next prime is 32830331. The reversal of 32830321 is 12303823.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 10400625 = 4736^2 + 3225^2 .

It is a cyclic number.

It is not a de Polignac number, because 32830321 - 23 = 32830313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32830292 and 32830301.

It is not a weakly prime, because it can be changed into another prime (32830331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16415160 + 16415161.

It is an arithmetic number, because the mean of its divisors is an integer number (16415161).

Almost surely, 232830321 is an apocalyptic number.

It is an amenable number.

32830321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32830321 is an equidigital number, since it uses as much as digits as its factorization.

32830321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 32830321 is about 5729.7749519506. The cubic root of 32830321 is about 320.2027393638.

The spelling of 32830321 in words is "thirty-two million, eight hundred thirty thousand, three hundred twenty-one".