Base | Representation |
---|---|
bin | 1000100000111… |
… | …10111110100000 |
3 | 11222102000121100 |
4 | 10100132332200 |
5 | 121241230143 |
6 | 11030554400 |
7 | 1525100604 |
oct | 420367640 |
9 | 158360540 |
10 | 71430048 |
11 | 373584a8 |
12 | 1bb08a00 |
13 | 11a4c701 |
14 | 96b5504 |
15 | 640e6d3 |
hex | 441efa0 |
71430048 has 36 divisors (see below), whose sum is σ = 203130018. Its totient is φ = 23809920.
The previous prime is 71430013. The next prime is 71430053. The reversal of 71430048 is 84003417.
It can be written as a sum of positive squares in only one way, i.e., 48274704 + 23155344 = 6948^2 + 4812^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123723 + ... + 124298.
Almost surely, 271430048 is an apocalyptic number.
It is an amenable number.
71430048 is an abundant number, since it is smaller than the sum of its proper divisors (131699970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71430048 is a wasteful number, since it uses less digits than its factorization.
71430048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248037 (or 248026 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 71430048 is about 8451.6299019775. The cubic root of 71430048 is about 414.9161256924.
The spelling of 71430048 in words is "seventy-one million, four hundred thirty thousand, forty-eight".
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