Base | Representation |
---|---|
bin | 11101010100101… |
… | …11111000001001 |
3 | 122010212112022000 |
4 | 32222113320021 |
5 | 1000433120443 |
6 | 40224221213 |
7 | 6044604504 |
oct | 1652277011 |
9 | 563775260 |
10 | 245988873 |
11 | 116944099 |
12 | 6a46a809 |
13 | 3bc69a60 |
14 | 2495413b |
15 | 168e08d3 |
hex | ea97e09 |
245988873 has 32 divisors (see below), whose sum is σ = 394826880. Its totient is φ = 150465600.
The previous prime is 245988851. The next prime is 245988907. The reversal of 245988873 is 378889542.
It is a happy number.
It is not a de Polignac number, because 245988873 - 210 = 245987849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (245988073) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58698 + ... + 62748.
It is an arithmetic number, because the mean of its divisors is an integer number (12338340).
Almost surely, 2245988873 is an apocalyptic number.
It is an amenable number.
245988873 is a deficient number, since it is larger than the sum of its proper divisors (148838007).
245988873 is a wasteful number, since it uses less digits than its factorization.
245988873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4246 (or 4240 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 54.
The square root of 245988873 is about 15684.0324215426. The cubic root of 245988873 is about 626.5732083290.
The spelling of 245988873 in words is "two hundred forty-five million, nine hundred eighty-eight thousand, eight hundred seventy-three".
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