Base | Representation |
---|---|
bin | 111011000101… |
… | …0000010100110 |
3 | 2011021122111120 |
4 | 1312022002212 |
5 | 30412132433 |
6 | 3023514410 |
7 | 524163360 |
oct | 166120246 |
9 | 64248446 |
10 | 30974118 |
11 | 1653634a |
12 | a458a06 |
13 | 65564a6 |
14 | 4183d30 |
15 | 2abc7b3 |
hex | 1d8a0a6 |
30974118 has 16 divisors (see below), whose sum is σ = 70798080. Its totient is φ = 8849736.
The previous prime is 30974107. The next prime is 30974149. The reversal of 30974118 is 81147903.
It is a super-3 number, since 3×309741183 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368698 + ... + 368781.
It is an arithmetic number, because the mean of its divisors is an integer number (4424880).
Almost surely, 230974118 is an apocalyptic number.
30974118 is an abundant number, since it is smaller than the sum of its proper divisors (39823962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30974118 is a wasteful number, since it uses less digits than its factorization.
30974118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 737491.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 30974118 is about 5565.4396052783. The cubic root of 30974118 is about 314.0506159360.
The spelling of 30974118 in words is "thirty million, nine hundred seventy-four thousand, one hundred eighteen".
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