Base | Representation |
---|---|
bin | 1000011111110… |
… | …00111001000000 |
3 | 11222010002121120 |
4 | 10033320321000 |
5 | 121221232143 |
6 | 11023352240 |
7 | 1523551026 |
oct | 417707100 |
9 | 158102546 |
10 | 71274048 |
11 | 3726127a |
12 | 1ba52680 |
13 | 119c66c1 |
14 | 9674716 |
15 | 63cd383 |
hex | 43f8e40 |
71274048 has 112 divisors (see below), whose sum is σ = 197144640. Its totient is φ = 22708224.
The previous prime is 71274023. The next prime is 71274101. The reversal of 71274048 is 84047217.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734736 + ... + 734832.
It is an arithmetic number, because the mean of its divisors is an integer number (1760220).
Almost surely, 271274048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71274048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98572320).
71274048 is an abundant number, since it is smaller than the sum of its proper divisors (125870592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71274048 is a wasteful number, since it uses less digits than its factorization.
71274048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 71274048 is about 8442.3958684724. The cubic root of 71274048 is about 414.6138528400.
It can be divided in two parts, 7127 and 4048, that added together give a triangular number (11175 = T149).
The spelling of 71274048 in words is "seventy-one million, two hundred seventy-four thousand, forty-eight".
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