Base | Representation |
---|---|
bin | 11000101101010… |
… | …11010001110111 |
3 | 112110000110101212 |
4 | 30112223101313 |
5 | 411030133111 |
6 | 32322312035 |
7 | 5064526502 |
oct | 1426532167 |
9 | 473013355 |
10 | 207271031 |
11 | a6aa9880 |
12 | 594b861b |
13 | 33c319a6 |
14 | 1d756139 |
15 | 132e398b |
hex | c5ab477 |
207271031 has 16 divisors (see below), whose sum is σ = 232678656. Its totient is φ = 183000000.
The previous prime is 207271007. The next prime is 207271039. The reversal of 207271031 is 130172702.
It is a cyclic number.
It is not a de Polignac number, because 207271031 - 26 = 207270967 is a prime.
It is a super-2 number, since 2×2072710312 = 85922560583605922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 207270988 and 207271006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207271039) 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, 112286 + ... + 114116.
It is an arithmetic number, because the mean of its divisors is an integer number (14542416).
Almost surely, 2207271031 is an apocalyptic number.
207271031 is a deficient number, since it is larger than the sum of its proper divisors (25407625).
207271031 is a wasteful number, since it uses less digits than its factorization.
207271031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2134.
The product of its (nonzero) digits is 588, while the sum is 23.
The square root of 207271031 is about 14396.9104671801. The cubic root of 207271031 is about 591.8062343323.
The spelling of 207271031 in words is "two hundred seven million, two hundred seventy-one thousand, thirty-one".
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