Base | Representation |
---|---|
bin | 1000111111110… |
… | …11111111101100 |
3 | 12021000211120010 |
4 | 10133323333230 |
5 | 123310343233 |
6 | 11253453220 |
7 | 1604402265 |
oct | 437737754 |
9 | 167024503 |
10 | 75481068 |
11 | 39675053 |
12 | 21341210 |
13 | 1283a570 |
14 | a04b96c |
15 | 695eb63 |
hex | 47fbfec |
75481068 has 24 divisors (see below), whose sum is σ = 189670768. Its totient is φ = 23224896.
The previous prime is 75481067. The next prime is 75481069. The reversal of 75481068 is 86018457.
It is an interprime number because it is at equal distance from previous prime (75481067) and next prime (75481069).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (75481067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241771 + ... + 242082.
Almost surely, 275481068 is an apocalyptic number.
75481068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is an amenable number.
75481068 is an abundant number, since it is smaller than the sum of its proper divisors (114189700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75481068 is a wasteful number, since it uses less digits than its factorization.
75481068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483873 (or 483871 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 75481068 is about 8687.9841160076. The cubic root of 75481068 is about 422.6160749197.
The spelling of 75481068 in words is "seventy-five million, four hundred eighty-one thousand, sixty-eight".
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