Base | Representation |
---|---|
bin | 111010100100… |
… | …1000100011010 |
3 | 2010210010110010 |
4 | 1311021010122 |
5 | 30330123434 |
6 | 3014102350 |
7 | 522004452 |
oct | 165110432 |
9 | 63703403 |
10 | 30707994 |
11 | 16374409 |
12 | a34a9b6 |
13 | 6492315 |
14 | 4114d62 |
15 | 2a689e9 |
hex | 1d4911a |
30707994 has 8 divisors (see below), whose sum is σ = 61416000. Its totient is φ = 10235996.
The previous prime is 30707983. The next prime is 30708017. The reversal of 30707994 is 49970703.
It is a sphenic number, since it is the product of 3 distinct primes.
30707994 is an admirable number.
It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 2558994 + ... + 2559005.
It is an arithmetic number, because the mean of its divisors is an integer number (7677000).
Almost surely, 230707994 is an apocalyptic number.
30707994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30707994 is a wasteful number, since it uses less digits than its factorization.
30707994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5118004.
The product of its (nonzero) digits is 47628, while the sum is 39.
The square root of 30707994 is about 5541.4794053574. The cubic root of 30707994 is about 313.1486057160.
The spelling of 30707994 in words is "thirty million, seven hundred seven thousand, nine hundred ninety-four".
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