Base | Representation |
---|---|
bin | 1100000011101… |
… | …00011101001001 |
3 | 21001022110101221 |
4 | 12001310131021 |
5 | 201342442142 |
6 | 14011442041 |
7 | 2335451446 |
oct | 601643511 |
9 | 231273357 |
10 | 101140297 |
11 | 52100225 |
12 | 29a56321 |
13 | 17c5283b |
14 | d60a9cd |
15 | 8d2c767 |
hex | 6074749 |
101140297 has 4 divisors (see below), whose sum is σ = 101214916. Its totient is φ = 101065680.
The previous prime is 101140283. The next prime is 101140307. The reversal of 101140297 is 792041101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 792041101 = 17 ⋅46590653.
It can be written as a sum of positive squares in 2 ways, for example, as 47279376 + 53860921 = 6876^2 + 7339^2 .
It is a cyclic number.
It is not a de Polignac number, because 101140297 - 223 = 92751689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101140597) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35238 + ... + 37999.
It is an arithmetic number, because the mean of its divisors is an integer number (25303729).
Almost surely, 2101140297 is an apocalyptic number.
It is an amenable number.
101140297 is a deficient number, since it is larger than the sum of its proper divisors (74619).
101140297 is an equidigital number, since it uses as much as digits as its factorization.
101140297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74618.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 101140297 is about 10056.8532354808. The cubic root of 101140297 is about 465.9164828501.
Adding to 101140297 its reverse (792041101), we get a palindrome (893181398).
The spelling of 101140297 in words is "one hundred one million, one hundred forty thousand, two hundred ninety-seven".
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