Base | Representation |
---|---|
bin | 11000101100000… |
… | …11010000001000 |
3 | 112102201010111121 |
4 | 30112003100020 |
5 | 411004411310 |
6 | 32315005024 |
7 | 5063244505 |
oct | 1426032010 |
9 | 472633447 |
10 | 207107080 |
11 | a69a7684 |
12 | 59439774 |
13 | 33ba518b |
14 | 1d7124ac |
15 | 132b00da |
hex | c583408 |
207107080 has 32 divisors (see below), whose sum is σ = 466666200. Its totient is φ = 82722816.
The previous prime is 207107053. The next prime is 207107099. The reversal of 207107080 is 80701702.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 201696804 + 5410276 = 14202^2 + 2326^2 .
It is a super-2 number, since 2×2071070802 = 85786685172252800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27394 + ... + 34126.
Almost surely, 2207107080 is an apocalyptic number.
207107080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
207107080 is an abundant number, since it is smaller than the sum of its proper divisors (259559120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207107080 is a wasteful number, since it uses less digits than its factorization.
207107080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7513 (or 7509 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 25.
The square root of 207107080 is about 14391.2153760549. The cubic root of 207107080 is about 591.6501539618.
Adding to 207107080 its reverse (80701702), we get a palindrome (287808782).
The spelling of 207107080 in words is "two hundred seven million, one hundred seven thousand, eighty".
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