Base | Representation |
---|---|
bin | 1000010110100… |
… | …11111011010111 |
3 | 11212212010112222 |
4 | 10023103323113 |
5 | 120414332241 |
6 | 10541532555 |
7 | 1510422404 |
oct | 413237327 |
9 | 155763488 |
10 | 70074071 |
11 | 36611761 |
12 | 1b57415b |
13 | 11696462 |
14 | 94412ab |
15 | 6242a4b |
hex | 42d3ed7 |
70074071 has 12 divisors (see below), whose sum is σ = 74295000. Its totient is φ = 66082608.
The previous prime is 70074049. The next prime is 70074091. The reversal of 70074071 is 17047007.
It is not a de Polignac number, because 70074071 - 26 = 70074007 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70074071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70074001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140180 + ... + 140678.
It is an arithmetic number, because the mean of its divisors is an integer number (6191250).
Almost surely, 270074071 is an apocalyptic number.
70074071 is a deficient number, since it is larger than the sum of its proper divisors (4220929).
70074071 is a wasteful number, since it uses less digits than its factorization.
70074071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 926 (or 907 counting only the distinct ones).
The product of its (nonzero) digits is 1372, while the sum is 26.
The square root of 70074071 is about 8371.0256838693. The cubic root of 70074071 is about 412.2738443204.
The spelling of 70074071 in words is "seventy million, seventy-four thousand, seventy-one".
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