Base | Representation |
---|---|
bin | 111011000111… |
… | …1000010111110 |
3 | 2011022200121222 |
4 | 1312033002332 |
5 | 30413311442 |
6 | 3024153342 |
7 | 524310221 |
oct | 166170276 |
9 | 64280558 |
10 | 30994622 |
11 | 1654a79a |
12 | a468852 |
13 | 6562919 |
14 | 418b5b8 |
15 | 2ac38d2 |
hex | 1d8f0be |
30994622 has 4 divisors (see below), whose sum is σ = 46491936. Its totient is φ = 15497310.
The previous prime is 30994603. The next prime is 30994627. The reversal of 30994622 is 22649903.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22649903 = 241 ⋅93983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30994627) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7748654 + ... + 7748657.
It is an arithmetic number, because the mean of its divisors is an integer number (11622984).
Almost surely, 230994622 is an apocalyptic number.
30994622 is a deficient number, since it is larger than the sum of its proper divisors (15497314).
30994622 is a wasteful number, since it uses less digits than its factorization.
30994622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15497313.
The product of its (nonzero) digits is 23328, while the sum is 35.
The square root of 30994622 is about 5567.2813832247. The cubic root of 30994622 is about 314.1198982260.
The spelling of 30994622 in words is "thirty million, nine hundred ninety-four thousand, six hundred twenty-two".
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