Base | Representation |
---|---|
bin | 1000100001011… |
… | …11010011101101 |
3 | 11222112102100212 |
4 | 10100233103231 |
5 | 121300400231 |
6 | 11032232205 |
7 | 1525466615 |
oct | 420572355 |
9 | 158472325 |
10 | 71496941 |
11 | 373a378a |
12 | 1bb3b665 |
13 | 11a73ca9 |
14 | 96d1a45 |
15 | 642442b |
hex | 442f4ed |
71496941 has 4 divisors (see below), whose sum is σ = 72669084. Its totient is φ = 70324800.
The previous prime is 71496911. The next prime is 71496959. The reversal of 71496941 is 14969417.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4748041 + 66748900 = 2179^2 + 8170^2 .
It is a cyclic number.
It is not a de Polignac number, because 71496941 - 214 = 71480557 is a prime.
It is a super-2 number, since 2×714969412 = 10223625144714962, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71496911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585980 + ... + 586101.
It is an arithmetic number, because the mean of its divisors is an integer number (18167271).
Almost surely, 271496941 is an apocalyptic number.
It is an amenable number.
71496941 is a deficient number, since it is larger than the sum of its proper divisors (1172143).
71496941 is a wasteful number, since it uses less digits than its factorization.
71496941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1172142.
The product of its digits is 54432, while the sum is 41.
The square root of 71496941 is about 8455.5863782472. The cubic root of 71496941 is about 415.0456058653.
The spelling of 71496941 in words is "seventy-one million, four hundred ninety-six thousand, nine hundred forty-one".
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