Base | Representation |
---|---|
bin | 1000011111011… |
… | …11010111010100 |
3 | 11222001010002101 |
4 | 10033233113110 |
5 | 121214010103 |
6 | 11022451444 |
7 | 1523326204 |
oct | 417572724 |
9 | 158033071 |
10 | 71235028 |
11 | 37234a27 |
12 | 1ba33b84 |
13 | 119b1a07 |
14 | 9664404 |
15 | 63c1a1d |
hex | 43ef5d4 |
71235028 has 24 divisors (see below), whose sum is σ = 131594400. Its totient is φ = 33647328.
The previous prime is 71235013. The next prime is 71235029. The reversal of 71235028 is 82053217.
It is a junction number, because it is equal to n+sod(n) for n = 71234987 and 71235005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71235029) 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, 30726 + ... + 32962.
It is an arithmetic number, because the mean of its divisors is an integer number (5483100).
Almost surely, 271235028 is an apocalyptic number.
It is an amenable number.
71235028 is a deficient number, since it is larger than the sum of its proper divisors (60359372).
71235028 is a wasteful number, since it uses less digits than its factorization.
71235028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2679 (or 2677 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 71235028 is about 8440.0845967324. The cubic root of 71235028 is about 414.5381769279.
The spelling of 71235028 in words is "seventy-one million, two hundred thirty-five thousand, twenty-eight".
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