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30118029 = 310039343
BaseRepresentation
bin111001011100…
…1000010001101
32002200011011120
41302321002031
530202234104
62553311153
7513666444
oct162710215
962604146
1030118029
1116001137
12a1054b9
136316926
143dddd5b
15299dcd9
hex1cb908d

30118029 has 4 divisors (see below), whose sum is σ = 40157376. Its totient is φ = 20078684.

The previous prime is 30118013. The next prime is 30118031. The reversal of 30118029 is 92081103.

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 30118029 - 24 = 30118013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30118009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5019669 + ... + 5019674.

It is an arithmetic number, because the mean of its divisors is an integer number (10039344).

Almost surely, 230118029 is an apocalyptic number.

It is an amenable number.

30118029 is a deficient number, since it is larger than the sum of its proper divisors (10039347).

30118029 is a wasteful number, since it uses less digits than its factorization.

30118029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039346.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 30118029 is about 5487.9895225848. The cubic root of 30118029 is about 311.1302101890.

The spelling of 30118029 in words is "thirty million, one hundred eighteen thousand, twenty-nine".

Divisors: 1 3 10039343 30118029