Base | Representation |
---|---|
bin | 111010001010… |
… | …1100110101100 |
3 | 2010101102021210 |
4 | 1310111212230 |
5 | 30301402241 |
6 | 3005354420 |
7 | 520136052 |
oct | 164254654 |
9 | 63342253 |
10 | 30497196 |
11 | 1623aaa4 |
12 | a268a10 |
13 | 641a3a2 |
14 | 409c1d2 |
15 | 2a26316 |
hex | 1d159ac |
30497196 has 12 divisors (see below), whose sum is σ = 71160152. Its totient is φ = 10165728.
The previous prime is 30497189. The next prime is 30497197. The reversal of 30497196 is 69179403.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (30497197) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 1270705 + ... + 1270728.
Almost surely, 230497196 is an apocalyptic number.
It is an amenable number.
30497196 is an abundant number, since it is smaller than the sum of its proper divisors (40662956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30497196 is a wasteful number, since it uses less digits than its factorization.
30497196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2541440 (or 2541438 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 30497196 is about 5522.4266405268. The cubic root of 30497196 is about 312.4304135192.
The spelling of 30497196 in words is "thirty million, four hundred ninety-seven thousand, one hundred ninety-six".
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