Base | Representation |
---|---|
bin | 1001000010110… |
… | …10011110001111 |
3 | 12021202111101200 |
4 | 10201122132033 |
5 | 123410234142 |
6 | 11310040543 |
7 | 1610603433 |
oct | 441323617 |
9 | 167674350 |
10 | 75868047 |
11 | 39909872 |
12 | 214a9153 |
13 | 12944748 |
14 | a10c9c3 |
15 | 69d964c |
hex | 485a78f |
75868047 has 12 divisors (see below), whose sum is σ = 109668000. Its totient is φ = 50541408.
The previous prime is 75868003. The next prime is 75868057. The reversal of 75868047 is 74086857.
It is not a de Polignac number, because 75868047 - 26 = 75867983 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 75867993 and 75868011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75868057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15883 + ... + 20099.
It is an arithmetic number, because the mean of its divisors is an integer number (9139000).
Almost surely, 275868047 is an apocalyptic number.
75868047 is a deficient number, since it is larger than the sum of its proper divisors (33799953).
75868047 is a wasteful number, since it uses less digits than its factorization.
75868047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6222 (or 6219 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 75868047 is about 8710.2265756982. The cubic root of 75868047 is about 423.3370718389.
The spelling of 75868047 in words is "seventy-five million, eight hundred sixty-eight thousand, forty-seven".
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