Base | Representation |
---|---|
bin | 1000100000111… |
… | …11011000010101 |
3 | 11222102002212120 |
4 | 10100133120111 |
5 | 121241303301 |
6 | 11031010153 |
7 | 1525105455 |
oct | 420373025 |
9 | 158362776 |
10 | 71431701 |
11 | 37359770 |
12 | 1bb09959 |
13 | 11a503a3 |
14 | 96b5d65 |
15 | 640ee36 |
hex | 441f615 |
71431701 has 8 divisors (see below), whose sum is σ = 103900704. Its totient is φ = 43291920.
The previous prime is 71431693. The next prime is 71431769. The reversal of 71431701 is 10713417.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71431701 - 23 = 71431693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71431771) 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, 1082266 + ... + 1082331.
It is an arithmetic number, because the mean of its divisors is an integer number (12987588).
Almost surely, 271431701 is an apocalyptic number.
It is an amenable number.
71431701 is a deficient number, since it is larger than the sum of its proper divisors (32469003).
71431701 is a wasteful number, since it uses less digits than its factorization.
71431701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2164611.
The product of its (nonzero) digits is 588, while the sum is 24.
The square root of 71431701 is about 8451.7276931998. The cubic root of 71431701 is about 414.9193262646.
The spelling of 71431701 in words is "seventy-one million, four hundred thirty-one thousand, seven hundred one".
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