Base | Representation |
---|---|
bin | 1000100000100… |
… | …01111000000001 |
3 | 11222022021222211 |
4 | 10100101320001 |
5 | 121233021020 |
6 | 11025502121 |
7 | 1524455263 |
oct | 420217001 |
9 | 158267884 |
10 | 71376385 |
11 | 37321153 |
12 | 1baa1941 |
13 | 11a31162 |
14 | 969db33 |
15 | 63ed85a |
hex | 4411e01 |
71376385 has 8 divisors (see below), whose sum is σ = 85712040. Its totient is φ = 57060864.
The previous prime is 71376379. The next prime is 71376391. The reversal of 71376385 is 58367317.
It is an interprime number because it is at equal distance from previous prime (71376379) and next prime (71376391).
It can be written as a sum of positive squares in 4 ways, for example, as 3857296 + 67519089 = 1964^2 + 8217^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71376385 - 23 = 71376377 is a prime.
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, 4369 + ... + 12721.
It is an arithmetic number, because the mean of its divisors is an integer number (10714005).
Almost surely, 271376385 is an apocalyptic number.
It is an amenable number.
71376385 is a deficient number, since it is larger than the sum of its proper divisors (14335655).
71376385 is a wasteful number, since it uses less digits than its factorization.
71376385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10067.
The product of its digits is 105840, while the sum is 40.
The square root of 71376385 is about 8448.4545924092. The cubic root of 71376385 is about 414.8121954707.
The spelling of 71376385 in words is "seventy-one million, three hundred seventy-six thousand, three hundred eighty-five".
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