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30386113 = 296189193
BaseRepresentation
bin111001111101…
…0011111000001
32010011202220121
41303322133001
530234323423
63003140241
7516164152
oct163723701
963152817
1030386113
111617459a
12a214681
1363ab964
14406d929
152a0345d
hex1cfa7c1

30386113 has 16 divisors (see below), whose sum is σ = 32475600. Its totient is φ = 28385280.

The previous prime is 30386093. The next prime is 30386117. The reversal of 30386113 is 31168303.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9437184 + 20948929 = 3072^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 30386113 - 29 = 30385601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30386117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157345 + ... + 157537.

It is an arithmetic number, because the mean of its divisors is an integer number (2029725).

Almost surely, 230386113 is an apocalyptic number.

It is an amenable number.

30386113 is a deficient number, since it is larger than the sum of its proper divisors (2089487).

30386113 is a wasteful number, since it uses less digits than its factorization.

30386113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30386113 is about 5512.3600208985. The cubic root of 30386113 is about 312.0506198002.

The spelling of 30386113 in words is "thirty million, three hundred eighty-six thousand, one hundred thirteen".

Divisors: 1 29 61 89 193 1769 2581 5429 5597 11773 17177 157441 341417 498133 1047797 30386113