Base | Representation |
---|---|
bin | 1000100100010… |
… | …11110010001010 |
3 | 12000020122221210 |
4 | 10102023302022 |
5 | 121400010342 |
6 | 11044313550 |
7 | 1531635132 |
oct | 422136212 |
9 | 160218853 |
10 | 71875722 |
11 | 37632326 |
12 | 200a28b6 |
13 | 11b77519 |
14 | 978dac2 |
15 | 649b79c |
hex | 448bc8a |
71875722 has 8 divisors (see below), whose sum is σ = 143751456. Its totient is φ = 23958572.
The previous prime is 71875693. The next prime is 71875729. The reversal of 71875722 is 22757817.
It is a sphenic number, since it is the product of 3 distinct primes.
71875722 is an admirable number.
It is a super-2 number, since 2×718757222 = 10332238826042568, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71875729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5989638 + ... + 5989649.
It is an arithmetic number, because the mean of its divisors is an integer number (17968932).
Almost surely, 271875722 is an apocalyptic number.
71875722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71875722 is a wasteful number, since it uses less digits than its factorization.
71875722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11979292.
The product of its digits is 54880, while the sum is 39.
The square root of 71875722 is about 8477.9550600366. The cubic root of 71875722 is about 415.7772668919. Note that the first 3 decimals are identical.
The spelling of 71875722 in words is "seventy-one million, eight hundred seventy-five thousand, seven hundred twenty-two".
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