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30044213 is a prime number
BaseRepresentation
bin111001010011…
…1000000110101
32002112101220122
41302213000311
530142403323
62551541325
7513241313
oct162470065
962471818
1030044213
1115a60731
12a08a845
1362bc154
143dc10b3
152986ec8
hex1ca7035

30044213 has 2 divisors, whose sum is σ = 30044214. Its totient is φ = 30044212.

The previous prime is 30044171. The next prime is 30044227. The reversal of 30044213 is 31244003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24671089 + 5373124 = 4967^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 30044213 - 212 = 30040117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30044191 and 30044200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30044243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022106 + 15022107.

It is an arithmetic number, because the mean of its divisors is an integer number (15022107).

Almost surely, 230044213 is an apocalyptic number.

It is an amenable number.

30044213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30044213 is an equidigital number, since it uses as much as digits as its factorization.

30044213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30044213 is about 5481.2601653269. The cubic root of 30044213 is about 310.8758201923.

Adding to 30044213 its reverse (31244003), we get a palindrome (61288216).

The spelling of 30044213 in words is "thirty million, forty-four thousand, two hundred thirteen".