Base | Representation |
---|---|
bin | 10010010111010… |
… | …101001110110001 |
3 | 210110202102012022 |
4 | 102113111032301 |
5 | 1112333344121 |
6 | 50323441225 |
7 | 10430600456 |
oct | 2227251661 |
9 | 713672168 |
10 | 308106161 |
11 | 148a107a0 |
12 | 87226215 |
13 | 4baa864c |
14 | 2ccc382d |
15 | 1c0b0aab |
hex | 125d53b1 |
308106161 has 8 divisors (see below), whose sum is σ = 336329184. Its totient is φ = 279918720.
The previous prime is 308106151. The next prime is 308106217. The reversal of 308106161 is 161601803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-308106161 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 308106161.
It is not an unprimeable number, because it can be changed into a prime (308106131) 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, 11201 + ... + 27233.
It is an arithmetic number, because the mean of its divisors is an integer number (42041148).
Almost surely, 2308106161 is an apocalyptic number.
It is an amenable number.
308106161 is a deficient number, since it is larger than the sum of its proper divisors (28223023).
308106161 is a wasteful number, since it uses less digits than its factorization.
308106161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17791.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 308106161 is about 17552.9530563948. The cubic root of 308106161 is about 675.4089235038.
Adding to 308106161 its reverse (161601803), we get a palindrome (469707964).
The spelling of 308106161 in words is "three hundred eight million, one hundred six thousand, one hundred sixty-one".
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