Base | Representation |
---|---|
bin | 1000111111100… |
… | …11000001000110 |
3 | 12020221222010010 |
4 | 10133303001012 |
5 | 123303204134 |
6 | 11253011050 |
7 | 1604160132 |
oct | 437630106 |
9 | 166858103 |
10 | 75444294 |
11 | 3964a462 |
12 | 21323a86 |
13 | 128268c3 |
14 | a03c3c2 |
15 | 6953ce9 |
hex | 47f3046 |
75444294 has 8 divisors (see below), whose sum is σ = 150888600. Its totient is φ = 25148096.
The previous prime is 75444293. The next prime is 75444311. The reversal of 75444294 is 49244457.
It is a sphenic number, since it is the product of 3 distinct primes.
75444294 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75444293) 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 3 ways as a sum of consecutive naturals, for example, 6287019 + ... + 6287030.
It is an arithmetic number, because the mean of its divisors is an integer number (18861075).
Almost surely, 275444294 is an apocalyptic number.
75444294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75444294 is a wasteful number, since it uses less digits than its factorization.
75444294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12574054.
The product of its digits is 161280, while the sum is 39.
The square root of 75444294 is about 8685.8674869008. The cubic root of 75444294 is about 422.5474316227.
The spelling of 75444294 in words is "seventy-five million, four hundred forty-four thousand, two hundred ninety-four".
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