Base | Representation |
---|---|
bin | 1000011111110… |
… | …00111010001101 |
3 | 11222010002201102 |
4 | 10033320322031 |
5 | 121221233000 |
6 | 11023352445 |
7 | 1523551166 |
oct | 417707215 |
9 | 158102642 |
10 | 71274125 |
11 | 3726133a |
12 | 1ba52725 |
13 | 119c6750 |
14 | 967476d |
15 | 63cd3d5 |
hex | 43f8e8d |
71274125 has 32 divisors (see below), whose sum is σ = 100009728. Its totient is φ = 50318400.
The previous prime is 71274109. The next prime is 71274139. The reversal of 71274125 is 52147217.
It is not a de Polignac number, because 71274125 - 24 = 71274109 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36422 + ... + 38328.
It is an arithmetic number, because the mean of its divisors is an integer number (3125304).
Almost surely, 271274125 is an apocalyptic number.
It is an amenable number.
71274125 is a deficient number, since it is larger than the sum of its proper divisors (28735603).
71274125 is a wasteful number, since it uses less digits than its factorization.
71274125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1958 (or 1948 counting only the distinct ones).
The product of its digits is 3920, while the sum is 29.
The square root of 71274125 is about 8442.4004287880. The cubic root of 71274125 is about 414.6140021475.
The spelling of 71274125 in words is "seventy-one million, two hundred seventy-four thousand, one hundred twenty-five".
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