Base | Representation |
---|---|
bin | 1000011111110… |
… | …01001000001110 |
3 | 11222010010221122 |
4 | 10033321020032 |
5 | 121221300042 |
6 | 11023400542 |
7 | 1523553620 |
oct | 417711016 |
9 | 158103848 |
10 | 71275022 |
11 | 37261a85 |
12 | 1ba53152 |
13 | 119c6c90 |
14 | 9674c10 |
15 | 63cd7d2 |
hex | 43f920e |
71275022 has 32 divisors (see below), whose sum is σ = 137313792. Its totient is φ = 26969184.
The previous prime is 71275021. The next prime is 71275063. The reversal of 71275022 is 22057217.
It is a super-2 number, since 2×712750222 = 10160257522200968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 71274982 and 71275000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71275021) 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, 4328 + ... + 12699.
It is an arithmetic number, because the mean of its divisors is an integer number (4291056).
Almost surely, 271275022 is an apocalyptic number.
71275022 is a deficient number, since it is larger than the sum of its proper divisors (66038770).
71275022 is a wasteful number, since it uses less digits than its factorization.
71275022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17072.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 71275022 is about 8442.4535533220. The cubic root of 71275022 is about 414.6157414753.
The spelling of 71275022 in words is "seventy-one million, two hundred seventy-five thousand, twenty-two".
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