Base | Representation |
---|---|
bin | 1000100000001… |
… | …11001001001001 |
3 | 11222020001200200 |
4 | 10100013021021 |
5 | 121230114200 |
6 | 11024522413 |
7 | 1524213153 |
oct | 420071111 |
9 | 158201620 |
10 | 71332425 |
11 | 372a111a |
12 | 1ba80409 |
13 | 11a17148 |
14 | 968bad3 |
15 | 63e0800 |
hex | 4407249 |
71332425 has 54 divisors (see below), whose sum is σ = 135845658. Its totient is φ = 35773440.
The previous prime is 71332423. The next prime is 71332427. The reversal of 71332425 is 52423317.
It is an interprime number because it is at equal distance from previous prime (71332423) and next prime (71332427).
It can be written as a sum of positive squares in 9 ways, for example, as 8415801 + 62916624 = 2901^2 + 7932^2 .
It is not a de Polignac number, because 71332425 - 21 = 71332423 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71332423) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 64477 + ... + 65573.
Almost surely, 271332425 is an apocalyptic number.
71332425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
71332425 is a deficient number, since it is larger than the sum of its proper divisors (64513233).
71332425 is a wasteful number, since it uses less digits than its factorization.
71332425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1147 (or 1122 counting only the distinct ones).
The product of its digits is 5040, while the sum is 27.
The square root of 71332425 is about 8445.8525324564. The cubic root of 71332425 is about 414.7270184241.
The spelling of 71332425 in words is "seventy-one million, three hundred thirty-two thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •