Base | Representation |
---|---|
bin | 11000101100001… |
… | …01011111000111 |
3 | 112102201121001112 |
4 | 30112011133013 |
5 | 411010204411 |
6 | 32315115235 |
7 | 5063313260 |
oct | 1426053707 |
9 | 472647045 |
10 | 207116231 |
11 | a6a03543 |
12 | 59442b1b |
13 | 33ba93aa |
14 | 1d715967 |
15 | 132b2b8b |
hex | c5857c7 |
207116231 has 16 divisors (see below), whose sum is σ = 247060800. Its totient is φ = 169870848.
The previous prime is 207116201. The next prime is 207116279. The reversal of 207116231 is 132611702.
It is not a de Polignac number, because 207116231 - 226 = 140007367 is a prime.
It is a super-2 number, since 2×2071162312 = 85794266287290722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 207116197 and 207116206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207116201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18425 + ... + 27453.
It is an arithmetic number, because the mean of its divisors is an integer number (15441300).
Almost surely, 2207116231 is an apocalyptic number.
207116231 is a deficient number, since it is larger than the sum of its proper divisors (39944569).
207116231 is a wasteful number, since it uses less digits than its factorization.
207116231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9178.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 207116231 is about 14391.5333095539. The cubic root of 207116231 is about 591.6588678291.
Adding to 207116231 its reverse (132611702), we get a palindrome (339727933).
The spelling of 207116231 in words is "two hundred seven million, one hundred sixteen thousand, two hundred thirty-one".
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