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30739117 is a prime number
BaseRepresentation
bin111010101000…
…0101010101101
32010211201010211
41311100222231
530332122432
63014502421
7522164263
oct165205255
963751124
1030739117
1116395832
12a364a11
1364a3536
144122433
152a72d47
hex1d50aad

30739117 has 2 divisors, whose sum is σ = 30739118. Its totient is φ = 30739116.

The previous prime is 30739069. The next prime is 30739123. The reversal of 30739117 is 71193703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20967241 + 9771876 = 4579^2 + 3126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30739117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30739127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15369558 + 15369559.

It is an arithmetic number, because the mean of its divisors is an integer number (15369559).

Almost surely, 230739117 is an apocalyptic number.

It is an amenable number.

30739117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30739117 is an equidigital number, since it uses as much as digits as its factorization.

30739117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 30739117 is about 5544.2868793020. The cubic root of 30739117 is about 313.2543635554.

The spelling of 30739117 in words is "thirty million, seven hundred thirty-nine thousand, one hundred seventeen".