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30759929 is a prime number
BaseRepresentation
bin111010101010…
…1101111111001
32010212202200122
41311111233321
530333304204
63015143025
7522312044
oct165255771
963782618
1030759929
11163aa432
12a374a75
1364acb55
144129c5b
152a790be
hex1d55bf9

30759929 has 2 divisors, whose sum is σ = 30759930. Its totient is φ = 30759928.

The previous prime is 30759907. The next prime is 30759941. The reversal of 30759929 is 92995703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26759929 + 4000000 = 5173^2 + 2000^2 .

It is an emirp because it is prime and its reverse (92995703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30759929 - 216 = 30694393 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30759929.

It is not a weakly prime, because it can be changed into another prime (30759329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15379964 + 15379965.

It is an arithmetic number, because the mean of its divisors is an integer number (15379965).

Almost surely, 230759929 is an apocalyptic number.

It is an amenable number.

30759929 is a deficient number, since it is larger than the sum of its proper divisors (1).

30759929 is an equidigital number, since it uses as much as digits as its factorization.

30759929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 30759929 is about 5546.1634487274. The cubic root of 30759929 is about 313.3250441698.

The spelling of 30759929 in words is "thirty million, seven hundred fifty-nine thousand, nine hundred twenty-nine".