Base | Representation |
---|---|
bin | 111010001001… |
… | …1110001011100 |
3 | 2010101000222212 |
4 | 1310103301130 |
5 | 30301132232 |
6 | 3005255552 |
7 | 520105142 |
oct | 164236134 |
9 | 63330885 |
10 | 30489692 |
11 | 162353a2 |
12 | a2645b8 |
13 | 6416b4c |
14 | 4099592 |
15 | 2a23eb2 |
hex | 1d13c5c |
30489692 has 6 divisors (see below), whose sum is σ = 53356968. Its totient is φ = 15244844.
The previous prime is 30489673. The next prime is 30489703. The reversal of 30489692 is 29698403.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811208 + ... + 3811215.
It is an arithmetic number, because the mean of its divisors is an integer number (8892828).
Almost surely, 230489692 is an apocalyptic number.
It is an amenable number.
30489692 is a deficient number, since it is larger than the sum of its proper divisors (22867276).
30489692 is a wasteful number, since it uses less digits than its factorization.
30489692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7622427 (or 7622425 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 41.
The square root of 30489692 is about 5521.7471872588. The cubic root of 30489692 is about 312.4047863529.
The spelling of 30489692 in words is "thirty million, four hundred eighty-nine thousand, six hundred ninety-two".
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