Base | Representation |
---|---|
bin | 1000011011011… |
… | …10101101100111 |
3 | 11221001100020110 |
4 | 10031232231213 |
5 | 121100124241 |
6 | 11003304103 |
7 | 1516002660 |
oct | 415565547 |
9 | 157040213 |
10 | 70708071 |
11 | 36a05025 |
12 | 1b81b033 |
13 | 11858bc5 |
14 | 9568367 |
15 | 631a816 |
hex | 436eb67 |
70708071 has 16 divisors (see below), whose sum is σ = 108000000. Its totient is φ = 40309248.
The previous prime is 70708037. The next prime is 70708087. The reversal of 70708071 is 17080707.
It is not a de Polignac number, because 70708071 - 27 = 70707943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70708091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5680 + ... + 13178.
It is an arithmetic number, because the mean of its divisors is an integer number (6750000).
Almost surely, 270708071 is an apocalyptic number.
70708071 is a deficient number, since it is larger than the sum of its proper divisors (37291929).
70708071 is a wasteful number, since it uses less digits than its factorization.
70708071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7958.
The product of its (nonzero) digits is 2744, while the sum is 30.
The square root of 70708071 is about 8408.8091309055. The cubic root of 70708071 is about 413.5134719634.
Adding to 70708071 its reverse (17080707), we get a palindrome (87788778).
The spelling of 70708071 in words is "seventy million, seven hundred eight thousand, seventy-one".
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