Base | Representation |
---|---|
bin | 11000101101001… |
… | …00010000100011 |
3 | 112102221222221211 |
4 | 30112210100203 |
5 | 411023223100 |
6 | 32321530551 |
7 | 5064346612 |
oct | 1426442043 |
9 | 472858854 |
10 | 207242275 |
11 | a6a8a209 |
12 | 594a3a57 |
13 | 33c21886 |
14 | 1d749879 |
15 | 132da1ba |
hex | c5a4423 |
207242275 has 12 divisors (see below), whose sum is σ = 258562072. Its totient is φ = 164773440.
The previous prime is 207242261. The next prime is 207242281. The reversal of 207242275 is 572242702.
It is not a de Polignac number, because 207242275 - 29 = 207241763 is a prime.
It is a Duffinian number.
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 11 ways as a sum of consecutive naturals, for example, 21354 + ... + 29503.
Almost surely, 2207242275 is an apocalyptic number.
207242275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
207242275 is a deficient number, since it is larger than the sum of its proper divisors (51319797).
207242275 is a wasteful number, since it uses less digits than its factorization.
207242275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51030 (or 51025 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 31.
The square root of 207242275 is about 14395.9117460479. The cubic root of 207242275 is about 591.7788647460.
Adding to 207242275 its reverse (572242702), we get a palindrome (779484977).
The spelling of 207242275 in words is "two hundred seven million, two hundred forty-two thousand, two hundred seventy-five".
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