Base | Representation |
---|---|
bin | 10110101001010100010 |
3 | 1101200220100 |
4 | 2311022202 |
5 | 142221200 |
6 | 23523230 |
7 | 6210261 |
oct | 2651242 |
9 | 1350810 |
10 | 742050 |
11 | 467571 |
12 | 2b9516 |
13 | 1cc9aa |
14 | 1545d8 |
15 | e9d00 |
hex | b52a2 |
742050 has 72 divisors (see below), whose sum is σ = 2132676. Its totient is φ = 184320.
The previous prime is 742037. The next prime is 742057. The reversal of 742050 is 50247.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 356409 + 385641 = 597^2 + 621^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742050.
It is not an unprimeable number, because it can be changed into a prime (742057) by changing a digit.
742050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7602 + ... + 7698.
2742050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 742050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066338).
742050 is an abundant number, since it is smaller than the sum of its proper divisors (1390626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
742050 is a wasteful number, since it uses less digits than its factorization.
742050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132 (or 124 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 742050 is about 861.4232409217. The cubic root of 742050 is about 90.5338639892.
Adding to 742050 its reverse (50247), we get a palindrome (792297).
The spelling of 742050 in words is "seven hundred forty-two thousand, fifty".
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