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30343117 = 74334731
BaseRepresentation
bin111001110111…
…1111111001101
32010002120221011
41303233333031
530231434432
63002205221
7515624620
oct163577715
963076834
1030343117
1116145262
12a1b3811
13639520c
14405bdb7
1529e5847
hex1ceffcd

30343117 has 4 divisors (see below), whose sum is σ = 34677856. Its totient is φ = 26008380.

The previous prime is 30343109. The next prime is 30343121. The reversal of 30343117 is 71134303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30343117 - 23 = 30343109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30343517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167359 + ... + 2167372.

It is an arithmetic number, because the mean of its divisors is an integer number (8669464).

Almost surely, 230343117 is an apocalyptic number.

It is an amenable number.

30343117 is a deficient number, since it is larger than the sum of its proper divisors (4334739).

30343117 is an equidigital number, since it uses as much as digits as its factorization.

30343117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334738.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30343117 is about 5508.4586773434. The cubic root of 30343117 is about 311.9033676471.

The spelling of 30343117 in words is "thirty million, three hundred forty-three thousand, one hundred seventeen".

Divisors: 1 7 4334731 30343117