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30532219 is a prime number
BaseRepresentation
bin111010001111…
…0001001111011
32010110012022221
41310132021323
530304012334
63010224511
7520343134
oct164361173
963405287
1030532219
1116264343
12a285137
136430303
1440aac8b
152a318b4
hex1d1e27b

30532219 has 2 divisors, whose sum is σ = 30532220. Its totient is φ = 30532218.

The previous prime is 30532213. The next prime is 30532237. The reversal of 30532219 is 91223503.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30532219 - 27 = 30532091 is a prime.

It is a super-2 number, since 2×305322192 = 1864432794127922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30532193 and 30532202.

It is not a weakly prime, because it can be changed into another prime (30532213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266109 + 15266110.

It is an arithmetic number, because the mean of its divisors is an integer number (15266110).

Almost surely, 230532219 is an apocalyptic number.

30532219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30532219 is an equidigital number, since it uses as much as digits as its factorization.

30532219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30532219 is about 5525.5967098586. The cubic root of 30532219 is about 312.5499661971.

The spelling of 30532219 in words is "thirty million, five hundred thirty-two thousand, two hundred nineteen".