Base | Representation |
---|---|
bin | 10111111101100… |
… | …00010100110101 |
3 | 112000012212111112 |
4 | 23332300110311 |
5 | 402424001440 |
6 | 31540044405 |
7 | 4660321355 |
oct | 1376602465 |
9 | 460185445 |
10 | 201000245 |
11 | a3506506 |
12 | 57393705 |
13 | 32847674 |
14 | 1c9a2b65 |
15 | 129a5965 |
hex | bfb0535 |
201000245 has 8 divisors (see below), whose sum is σ = 247083480. Its totient is φ = 156878080.
The previous prime is 201000229. The next prime is 201000257. The reversal of 201000245 is 542000102.
It can be written as a sum of positive squares in 4 ways, for example, as 97969 + 200902276 = 313^2 + 14174^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 201000245 - 24 = 201000229 is a prime.
It is a Curzon number.
It is a congruent number.
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, 490040 + ... + 490449.
It is an arithmetic number, because the mean of its divisors is an integer number (30885435).
Almost surely, 2201000245 is an apocalyptic number.
It is an amenable number.
201000245 is a deficient number, since it is larger than the sum of its proper divisors (46083235).
201000245 is an equidigital number, since it uses as much as digits as its factorization.
201000245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980535.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 201000245 is about 14177.4555192390. The cubic root of 201000245 is about 585.7768382671.
Adding to 201000245 its reverse (542000102), we get a palindrome (743000347).
The spelling of 201000245 in words is "two hundred one million, two hundred forty-five", and thus it is an aban number.
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