Base | Representation |
---|---|
bin | 1000100000000… |
… | …01001001111101 |
3 | 11222011211001101 |
4 | 10100001021331 |
5 | 121223323101 |
6 | 11024213101 |
7 | 1524051520 |
oct | 420011175 |
9 | 158154041 |
10 | 71307901 |
11 | 37284755 |
12 | 1ba6a191 |
13 | 11a08c32 |
14 | 9682bb7 |
15 | 63d8401 |
hex | 440127d |
71307901 has 8 divisors (see below), whose sum is σ = 82335680. Its totient is φ = 60490368.
The previous prime is 71307871. The next prime is 71307913. The reversal of 71307901 is 10970317.
It is a happy number.
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 71307901 - 211 = 71305853 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 71307901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71307961) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51831 + ... + 53188.
It is an arithmetic number, because the mean of its divisors is an integer number (10291960).
Almost surely, 271307901 is an apocalyptic number.
It is an amenable number.
71307901 is a deficient number, since it is larger than the sum of its proper divisors (11027779).
71307901 is a wasteful number, since it uses less digits than its factorization.
71307901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105123.
The product of its (nonzero) digits is 1323, while the sum is 28.
The square root of 71307901 is about 8444.4005707925. The cubic root of 71307901 is about 414.6794854301.
The spelling of 71307901 in words is "seventy-one million, three hundred seven thousand, nine hundred one".
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