Base | Representation |
---|---|
bin | 111010001001… |
… | …1011111011110 |
3 | 2010100222102021 |
4 | 1310103133132 |
5 | 30301113132 |
6 | 3005250354 |
7 | 520101610 |
oct | 164233736 |
9 | 63328367 |
10 | 30488542 |
11 | 16234547 |
12 | a2639ba |
13 | 6416476 |
14 | 4098db0 |
15 | 2a23997 |
hex | 1d137de |
30488542 has 8 divisors (see below), whose sum is σ = 52266096. Its totient is φ = 13066512.
The previous prime is 30488539. The next prime is 30488569. The reversal of 30488542 is 24588403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30488498 and 30488507.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088863 + ... + 1088890.
It is an arithmetic number, because the mean of its divisors is an integer number (6533262).
Almost surely, 230488542 is an apocalyptic number.
30488542 is a deficient number, since it is larger than the sum of its proper divisors (21777554).
30488542 is a wasteful number, since it uses less digits than its factorization.
30488542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2177762.
The product of its (nonzero) digits is 30720, while the sum is 34.
The square root of 30488542 is about 5521.6430525705. The cubic root of 30488542 is about 312.4008585771.
The spelling of 30488542 in words is "thirty million, four hundred eighty-eight thousand, five hundred forty-two".
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