Base | Representation |
---|---|
bin | 1000100000110… |
… | …10110100111001 |
3 | 11222101011021202 |
4 | 10100122310321 |
5 | 121240204144 |
6 | 11030343545 |
7 | 1525000211 |
oct | 420326471 |
9 | 158334252 |
10 | 71413049 |
11 | 37346754 |
12 | 1bababb5 |
13 | 11a44a56 |
14 | 96ad241 |
15 | 640964e |
hex | 441ad39 |
71413049 has 8 divisors (see below), whose sum is σ = 72351048. Its totient is φ = 70479360.
The previous prime is 71413037. The next prime is 71413081. The reversal of 71413049 is 94031417.
It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 70476025 = 968^2 + 8395^2 .
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 71413049 - 24 = 71413033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71413099) 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, 43919 + ... + 45515.
It is an arithmetic number, because the mean of its divisors is an integer number (9043881).
Almost surely, 271413049 is an apocalyptic number.
It is an amenable number.
71413049 is a deficient number, since it is larger than the sum of its proper divisors (937999).
71413049 is a wasteful number, since it uses less digits than its factorization.
71413049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2155.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 71413049 is about 8450.6241781303. The cubic root of 71413049 is about 414.8832090185.
The spelling of 71413049 in words is "seventy-one million, four hundred thirteen thousand, forty-nine".
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