Base | Representation |
---|---|
bin | 111010100100… |
… | …0111011011111 |
3 | 2010210002122222 |
4 | 1311020323133 |
5 | 30330114143 |
6 | 3014055555 |
7 | 522003005 |
oct | 165107337 |
9 | 63702588 |
10 | 30707423 |
11 | 16373a3a |
12 | a34a5bb |
13 | 6491c96 |
14 | 4114a75 |
15 | 2a68768 |
hex | 1d48edf |
30707423 has 8 divisors (see below), whose sum is σ = 32574960. Its totient is φ = 28846720.
The previous prime is 30707419. The next prime is 30707441. The reversal of 30707423 is 32470703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30707423 - 22 = 30707419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30707392 and 30707401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30707123) 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, 9833 + ... + 12573.
It is an arithmetic number, because the mean of its divisors is an integer number (4071870).
Almost surely, 230707423 is an apocalyptic number.
30707423 is a deficient number, since it is larger than the sum of its proper divisors (1867537).
30707423 is a wasteful number, since it uses less digits than its factorization.
30707423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3417.
The product of its (nonzero) digits is 3528, while the sum is 26.
The square root of 30707423 is about 5541.4278845799. The cubic root of 30707423 is about 313.1466647560.
The spelling of 30707423 in words is "thirty million, seven hundred seven thousand, four hundred twenty-three".
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