Base | Representation |
---|---|
bin | 1000111100101… |
… | …11101001110000 |
3 | 12020020221202202 |
4 | 10132113221300 |
5 | 123204220224 |
6 | 11241002332 |
7 | 1601041106 |
oct | 436275160 |
9 | 166227682 |
10 | 75070064 |
11 | 39414283 |
12 | 211833a8 |
13 | 12725474 |
14 | 9d81c76 |
15 | 68cceae |
hex | 4797a70 |
75070064 has 20 divisors (see below), whose sum is σ = 153104040. Its totient is φ = 35559360.
The previous prime is 75070049. The next prime is 75070069. The reversal of 75070064 is 46007057.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75070069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123167 + ... + 123774.
It is an arithmetic number, because the mean of its divisors is an integer number (7655202).
Almost surely, 275070064 is an apocalyptic number.
It is an amenable number.
75070064 is an abundant number, since it is smaller than the sum of its proper divisors (78033976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75070064 is a wasteful number, since it uses less digits than its factorization.
75070064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246968 (or 246962 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 75070064 is about 8664.2982404809. The cubic root of 75070064 is about 421.8476123711.
The spelling of 75070064 in words is "seventy-five million, seventy thousand, sixty-four".
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