Base | Representation |
---|---|
bin | 10010111011111… |
… | …000111000111111 |
3 | 211010210021221100 |
4 | 102323320320333 |
5 | 1122312030112 |
6 | 51305104143 |
7 | 10605213120 |
oct | 2273707077 |
9 | 733707840 |
10 | 317689407 |
11 | 153366832 |
12 | 8a488053 |
13 | 50a825c9 |
14 | 3029a047 |
15 | 1cd552dc |
hex | 12ef8e3f |
317689407 has 24 divisors (see below), whose sum is σ = 526947200. Its totient is φ = 180668880.
The previous prime is 317689399. The next prime is 317689423. The reversal of 317689407 is 704986713.
It is not a de Polignac number, because 317689407 - 23 = 317689399 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317689447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1344 + ... + 25242.
Almost surely, 2317689407 is an apocalyptic number.
317689407 is a deficient number, since it is larger than the sum of its proper divisors (209257793).
317689407 is a wasteful number, since it uses less digits than its factorization.
317689407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24123 (or 24120 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 317689407 is about 17823.8437773674. The cubic root of 317689407 is about 682.3401259791.
It can be divided in two parts, 317689 and 407, that added together give a square (318096 = 5642).
The spelling of 317689407 in words is "three hundred seventeen million, six hundred eighty-nine thousand, four hundred seven".
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