Base | Representation |
---|---|
bin | 111010101111… |
… | …0101101001100 |
3 | 2010221122000120 |
4 | 1311132231030 |
5 | 30340442440 |
6 | 3020024540 |
7 | 522524031 |
oct | 165365514 |
9 | 63848016 |
10 | 30796620 |
11 | 16424a58 |
12 | a392150 |
13 | 64c376a |
14 | 4139388 |
15 | 2a84dd0 |
hex | 1d5eb4c |
30796620 has 24 divisors (see below), whose sum is σ = 86230704. Its totient is φ = 8212416.
The previous prime is 30796613. The next prime is 30796621. The reversal of 30796620 is 2669703.
It is not an unprimeable number, because it can be changed into a prime (30796621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256579 + ... + 256698.
It is an arithmetic number, because the mean of its divisors is an integer number (3592946).
Almost surely, 230796620 is an apocalyptic number.
30796620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30796620 is an abundant number, since it is smaller than the sum of its proper divisors (55434084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30796620 is a wasteful number, since it uses less digits than its factorization.
30796620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513289 (or 513287 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 33.
The square root of 30796620 is about 5549.4702449874. The cubic root of 30796620 is about 313.4495745966.
The spelling of 30796620 in words is "thirty million, seven hundred ninety-six thousand, six hundred twenty".
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