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30225319 is a prime number
BaseRepresentation
bin111001101001…
…1001110100111
32002212121100021
41303103032213
530214202234
62555500011
7514624315
oct163231647
962777307
1030225319
1116074803
12a157607
136353707
14402b0b5
1529c09b4
hex1cd33a7

30225319 has 2 divisors, whose sum is σ = 30225320. Its totient is φ = 30225318.

The previous prime is 30225311. The next prime is 30225329. The reversal of 30225319 is 91352203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30225319 - 23 = 30225311 is a prime.

It is a super-2 number, since 2×302253192 = 1827139817303522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30225293 and 30225302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30225311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15112659 + 15112660.

It is an arithmetic number, because the mean of its divisors is an integer number (15112660).

Almost surely, 230225319 is an apocalyptic number.

30225319 is a deficient number, since it is larger than the sum of its proper divisors (1).

30225319 is an equidigital number, since it uses as much as digits as its factorization.

30225319 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 30225319 is about 5497.7558148757. The cubic root of 30225319 is about 311.4992206180.

The spelling of 30225319 in words is "thirty million, two hundred twenty-five thousand, three hundred nineteen".