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30240349 is a prime number
BaseRepresentation
bin111001101011…
…0111001011101
32002220100221221
41303112321131
530220142344
63000053341
7515016166
oct163267135
962810857
1030240349
1116085027
12a164251
13635a4c9
14403276d
1529c5184
hex1cd6e5d

30240349 has 2 divisors, whose sum is σ = 30240350. Its totient is φ = 30240348.

The previous prime is 30240319. The next prime is 30240389. The reversal of 30240349 is 94304203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 10125124 = 4485^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 30240349 - 211 = 30238301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120174 + 15120175.

It is an arithmetic number, because the mean of its divisors is an integer number (15120175).

Almost surely, 230240349 is an apocalyptic number.

It is an amenable number.

30240349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30240349 is an equidigital number, since it uses as much as digits as its factorization.

30240349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30240349 is about 5499.1225663737. The cubic root of 30240349 is about 311.5508446385.

The spelling of 30240349 in words is "thirty million, two hundred forty thousand, three hundred forty-nine".