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3230632891 is a prime number
BaseRepresentation
bin1100000010001111…
…1000101110111011
322100011000011012001
43000203320232323
523104020223031
61252323401431
7143025632533
oct30043705673
98304004161
103230632891
111408676342
12761b23277
133c64058c5
142290c04c3
1513d94e861
hexc08f8bbb

3230632891 has 2 divisors, whose sum is σ = 3230632892. Its totient is φ = 3230632890.

The previous prime is 3230632849. The next prime is 3230632997. The reversal of 3230632891 is 1982360323.

It is a weak prime.

It is an emirp because it is prime and its reverse (1982360323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3230632891 - 227 = 3096415163 is a prime.

It is a super-2 number, since 2×32306328912 = 20873977752822035762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3230632891.

It is not a weakly prime, because it can be changed into another prime (3230632591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615316445 + 1615316446.

It is an arithmetic number, because the mean of its divisors is an integer number (1615316446).

Almost surely, 23230632891 is an apocalyptic number.

3230632891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230632891 is an equidigital number, since it uses as much as digits as its factorization.

3230632891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 3230632891 is about 56838.6566607621. The cubic root of 3230632891 is about 1478.2998633814.

The spelling of 3230632891 in words is "three billion, two hundred thirty million, six hundred thirty-two thousand, eight hundred ninety-one".