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30199441 is a prime number
BaseRepresentation
bin111001100110…
…0111010010001
32002211021211211
41303030322101
530212340231
62555140121
7514456006
oct163147221
962737754
1030199441
1116057318
12a144641
1363449bc
1440218ad
1529b7eb1
hex1ccce91

30199441 has 2 divisors, whose sum is σ = 30199442. Its totient is φ = 30199440.

The previous prime is 30199423. The next prime is 30199451. The reversal of 30199441 is 14499103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 1201216 = 5385^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 30199441 - 221 = 28102289 is a prime.

It is not a weakly prime, because it can be changed into another prime (30199451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15099720 + 15099721.

It is an arithmetic number, because the mean of its divisors is an integer number (15099721).

Almost surely, 230199441 is an apocalyptic number.

It is an amenable number.

30199441 is a deficient number, since it is larger than the sum of its proper divisors (1).

30199441 is an equidigital number, since it uses as much as digits as its factorization.

30199441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 30199441 is about 5495.4018051458. The cubic root of 30199441 is about 311.4102965116.

The spelling of 30199441 in words is "thirty million, one hundred ninety-nine thousand, four hundred forty-one".