Base | Representation |
---|---|
bin | 11000111010000… |
… | …00101010101000 |
3 | 112120010211010120 |
4 | 30131000222220 |
5 | 411441301441 |
6 | 32422043240 |
7 | 5114613504 |
oct | 1435005250 |
9 | 476124116 |
10 | 208931496 |
11 | a7a33364 |
12 | 59b79520 |
13 | 34393707 |
14 | 1da69304 |
15 | 13520966 |
hex | c740aa8 |
208931496 has 64 divisors (see below), whose sum is σ = 565963200. Its totient is φ = 64017408.
The previous prime is 208931477. The next prime is 208931509. The reversal of 208931496 is 694139802.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11590 + ... + 23498.
It is an arithmetic number, because the mean of its divisors is an integer number (8843175).
Almost surely, 2208931496 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 208931496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282981600).
208931496 is an abundant number, since it is smaller than the sum of its proper divisors (357031704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208931496 is a wasteful number, since it uses less digits than its factorization.
208931496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11978 (or 11974 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 208931496 is about 14454.4628402442. The cubic root of 208931496 is about 593.3823688240.
The spelling of 208931496 in words is "two hundred eight million, nine hundred thirty-one thousand, four hundred ninety-six".
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