Base | Representation |
---|---|
bin | 111010101111… |
… | …1100001010110 |
3 | 2010221210121012 |
4 | 1311133201112 |
5 | 30341044313 |
6 | 3020052222 |
7 | 522536540 |
oct | 165374126 |
9 | 63853535 |
10 | 30799958 |
11 | 16427512 |
12 | a394072 |
13 | 64c5137 |
14 | 413a690 |
15 | 2a85da8 |
hex | 1d5f856 |
30799958 has 16 divisors (see below), whose sum is σ = 53269920. Its totient is φ = 13082496.
The previous prime is 30799949. The next prime is 30799973. The reversal of 30799958 is 85999703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8153 + ... + 11316.
It is an arithmetic number, because the mean of its divisors is an integer number (3329370).
Almost surely, 230799958 is an apocalyptic number.
30799958 is a deficient number, since it is larger than the sum of its proper divisors (22469962).
30799958 is a wasteful number, since it uses less digits than its factorization.
30799958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19591.
The product of its (nonzero) digits is 612360, while the sum is 50.
The square root of 30799958 is about 5549.7709862660. The cubic root of 30799958 is about 313.4608989658.
The spelling of 30799958 in words is "thirty million, seven hundred ninety-nine thousand, nine hundred fifty-eight".
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