Base | Representation |
---|---|
bin | 1000111111111… |
… | …01100001000000 |
3 | 12021001011002210 |
4 | 10133331201000 |
5 | 123311043141 |
6 | 11253542120 |
7 | 1604426403 |
oct | 437754100 |
9 | 167034083 |
10 | 75487296 |
11 | 396797a5 |
12 | 21344940 |
13 | 12840351 |
14 | a04dd3a |
15 | 6961916 |
hex | 47fd840 |
75487296 has 56 divisors (see below), whose sum is σ = 201615040. Its totient is φ = 24924672.
The previous prime is 75487241. The next prime is 75487297. The reversal of 75487296 is 69278457.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (75487297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19125 + ... + 22731.
Almost surely, 275487296 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 75487296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100807520).
75487296 is an abundant number, since it is smaller than the sum of its proper divisors (126127744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75487296 is a wasteful number, since it uses less digits than its factorization.
75487296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3731 (or 3721 counting only the distinct ones).
The product of its digits is 846720, while the sum is 48.
The square root of 75487296 is about 8688.3425346840. The cubic root of 75487296 is about 422.6276980574.
The spelling of 75487296 in words is "seventy-five million, four hundred eighty-seven thousand, two hundred ninety-six".
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