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30449413 is a prime number
BaseRepresentation
bin111010000100…
…1111100000101
32010021222202001
41310021330011
530243340123
63004345301
7516546541
oct164117405
963258661
1030449413
1116208105
12a245231
136401707
144088a21
152a170ad
hex1d09f05

30449413 has 2 divisors, whose sum is σ = 30449414. Its totient is φ = 30449412.

The previous prime is 30449407. The next prime is 30449437. The reversal of 30449413 is 31494403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 1089 = 5518^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 30449413 - 213 = 30441221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30449213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15224706 + 15224707.

It is an arithmetic number, because the mean of its divisors is an integer number (15224707).

Almost surely, 230449413 is an apocalyptic number.

It is an amenable number.

30449413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30449413 is an equidigital number, since it uses as much as digits as its factorization.

30449413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30449413 is about 5518.0986761746. The cubic root of 30449413 is about 312.2671562579.

The spelling of 30449413 in words is "thirty million, four hundred forty-nine thousand, four hundred thirteen".