Base | Representation |
---|---|
bin | 1001000011101110… |
… | …0011110010100101 |
3 | 20021110100122010001 |
4 | 2100323203302211 |
5 | 14434433012242 |
6 | 1041140101301 |
7 | 114153453103 |
oct | 22073436245 |
9 | 6243318101 |
10 | 2431532197 |
11 | 103859a146 |
12 | 57a394831 |
13 | 2c99a9163 |
14 | 190d0ac73 |
15 | e3703eb7 |
hex | 90ee3ca5 |
2431532197 has 4 divisors (see below), whose sum is σ = 2434877536. Its totient is φ = 2428186860.
The previous prime is 2431532189. The next prime is 2431532237. The reversal of 2431532197 is 7912351342.
2431532197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2431532197 - 23 = 2431532189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2431532177) 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, 1671579 + ... + 1673032.
It is an arithmetic number, because the mean of its divisors is an integer number (608719384).
Almost surely, 22431532197 is an apocalyptic number.
It is an amenable number.
2431532197 is a deficient number, since it is larger than the sum of its proper divisors (3345339).
2431532197 is an equidigital number, since it uses as much as digits as its factorization.
2431532197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345338.
The product of its digits is 45360, while the sum is 37.
The square root of 2431532197 is about 49310.5688164312. The cubic root of 2431532197 is about 1344.7039322902.
It can be divided in two parts, 243153 and 2197, that added together give a triangular number (245350 = T700).
The spelling of 2431532197 in words is "two billion, four hundred thirty-one million, five hundred thirty-two thousand, one hundred ninety-seven".
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