Base | Representation |
---|---|
bin | 11000101011101… |
… | …00001000000000 |
3 | 112102120222111210 |
4 | 30111310020000 |
5 | 411000420440 |
6 | 32313410120 |
7 | 5062566042 |
oct | 1425641000 |
9 | 472528453 |
10 | 207045120 |
11 | a6965077 |
12 | 59409940 |
13 | 33b82c09 |
14 | 1d6d7a92 |
15 | 1329ba80 |
hex | c574200 |
207045120 has 80 divisors (see below), whose sum is σ = 661921920. Its totient is φ = 55209984.
The previous prime is 207045119. The next prime is 207045127. The reversal of 207045120 is 21540702.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (207045127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 21159.
It is an arithmetic number, because the mean of its divisors is an integer number (8274024).
Almost surely, 2207045120 is an apocalyptic number.
207045120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
207045120 is an abundant number, since it is smaller than the sum of its proper divisors (454876800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207045120 is an equidigital number, since it uses as much as digits as its factorization.
207045120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26985 (or 26969 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 207045120 is about 14389.0625128950. The cubic root of 207045120 is about 591.5911469659.
Adding to 207045120 its reverse (21540702), we get a palindrome (228585822).
The spelling of 207045120 in words is "two hundred seven million, forty-five thousand, one hundred twenty".
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