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30532739 is a prime number
BaseRepresentation
bin111010001111…
…0010010000011
32010110020001012
41310132102003
530304021424
63010231135
7520344506
oct164362203
963406035
1030532739
1116264776
12a2854ab
136430613
1440ab13d
152a31b0e
hex1d1e483

30532739 has 2 divisors, whose sum is σ = 30532740. Its totient is φ = 30532738.

The previous prime is 30532703. The next prime is 30532763. The reversal of 30532739 is 93723503.

It is a strong prime.

It is an emirp because it is prime and its reverse (93723503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30532739 - 28 = 30532483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30534739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266369 + 15266370.

It is an arithmetic number, because the mean of its divisors is an integer number (15266370).

Almost surely, 230532739 is an apocalyptic number.

30532739 is a deficient number, since it is larger than the sum of its proper divisors (1).

30532739 is an equidigital number, since it uses as much as digits as its factorization.

30532739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 30532739 is about 5525.6437633999. The cubic root of 30532739 is about 312.5517405529.

The spelling of 30532739 in words is "thirty million, five hundred thirty-two thousand, seven hundred thirty-nine".