Base | Representation |
---|---|
bin | 111111110111… |
… | …101000110001 |
3 | 1011111122000200 |
4 | 333313220301 |
5 | 13241233321 |
6 | 1354505413 |
7 | 262212204 |
oct | 77675061 |
9 | 34448020 |
10 | 16742961 |
11 | 94a6264 |
12 | 5735269 |
13 | 3612aa1 |
14 | 231b93b |
15 | 170ad26 |
hex | ff7a31 |
16742961 has 12 divisors (see below), whose sum is σ = 24594960. Its totient is φ = 10972440.
The previous prime is 16742941. The next prime is 16742963. The reversal of 16742961 is 16924761.
It is not a de Polignac number, because 16742961 - 26 = 16742897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16742963) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15235 + ... + 16296.
It is an arithmetic number, because the mean of its divisors is an integer number (2049580).
Almost surely, 216742961 is an apocalyptic number.
It is an amenable number.
16742961 is a deficient number, since it is larger than the sum of its proper divisors (7851999).
16742961 is a wasteful number, since it uses less digits than its factorization.
16742961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31596 (or 31593 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 16742961 is about 4091.8163448522. The cubic root of 16742961 is about 255.8256513471.
The spelling of 16742961 in words is "sixteen million, seven hundred forty-two thousand, nine hundred sixty-one".
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