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30118039 = 779107509
BaseRepresentation
bin111001011100…
…1000010010111
32002200011011221
41302321002113
530202234124
62553311211
7513666460
oct162710227
962604157
1030118039
1116001146
12a105507
136316933
143dddd67
15299dce4
hex1cb9097

30118039 has 16 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 25200864.

The previous prime is 30118031. The next prime is 30118051. The reversal of 30118039 is 93081103.

It is a cyclic number.

It is not a de Polignac number, because 30118039 - 23 = 30118031 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 (30118031) 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 in 15 ways as a sum of consecutive naturals, for example, 58917 + ... + 59425.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 230118039 is an apocalyptic number.

30118039 is a deficient number, since it is larger than the sum of its proper divisors (5133161).

30118039 is a wasteful number, since it uses less digits than its factorization.

30118039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 30118039 is about 5487.9904336651. The cubic root of 30118039 is about 311.1302446235.

The spelling of 30118039 in words is "thirty million, one hundred eighteen thousand, thirty-nine".

Divisors: 1 7 79 107 509 553 749 3563 8453 40211 54463 59171 281477 381241 4302577 30118039