Base | Representation |
---|---|
bin | 111010011000… |
… | …0111001100110 |
3 | 2010121002122121 |
4 | 1310300321212 |
5 | 30313441443 |
6 | 3012020154 |
7 | 521113030 |
oct | 164607146 |
9 | 63532577 |
10 | 30608998 |
11 | 16306aa2 |
12 | a30165a |
13 | 6459244 |
14 | 40cac50 |
15 | 2a494ed |
hex | 1d30e66 |
30608998 has 24 divisors (see below), whose sum is σ = 54866448. Its totient is φ = 12544752.
The previous prime is 30608987. The next prime is 30608999. The reversal of 30608998 is 89980603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30608999) 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 11 ways as a sum of consecutive naturals, for example, 5340 + ... + 9472.
It is an arithmetic number, because the mean of its divisors is an integer number (2286102).
Almost surely, 230608998 is an apocalyptic number.
30608998 is a deficient number, since it is larger than the sum of its proper divisors (24257450).
30608998 is a wasteful number, since it uses less digits than its factorization.
30608998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4188 (or 4165 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 30608998 is about 5532.5399230372. The cubic root of 30608998 is about 312.8117354305.
The spelling of 30608998 in words is "thirty million, six hundred eight thousand, nine hundred ninety-eight".
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