Base | Representation |
---|---|
bin | 1000100001010… |
… | …01111011110010 |
3 | 11222111022011122 |
4 | 10100221323302 |
5 | 121244144210 |
6 | 11031542242 |
7 | 1525345502 |
oct | 420517362 |
9 | 158438148 |
10 | 71474930 |
11 | 3738919a |
12 | 1bb2a982 |
13 | 11a66c77 |
14 | 96c7a02 |
15 | 641cb55 |
hex | 4429ef2 |
71474930 has 32 divisors (see below), whose sum is σ = 131927616. Its totient is φ = 27872064.
The previous prime is 71474929. The next prime is 71474939. The reversal of 71474930 is 3947417.
It is not an unprimeable number, because it can be changed into a prime (71474939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71192 + ... + 72188.
It is an arithmetic number, because the mean of its divisors is an integer number (4122738).
Almost surely, 271474930 is an apocalyptic number.
71474930 is a deficient number, since it is larger than the sum of its proper divisors (60452686).
71474930 is a wasteful number, since it uses less digits than its factorization.
71474930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1178.
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 71474930 is about 8454.2847124993. The cubic root of 71474930 is about 415.0030096071.
The spelling of 71474930 in words is "seventy-one million, four hundred seventy-four thousand, nine hundred thirty".
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