Base | Representation |
---|---|
bin | 101100101100100… |
… | …101011011001010 |
3 | 1221021001010000100 |
4 | 230230211123022 |
5 | 3013432311010 |
6 | 202224350230 |
7 | 24403630011 |
oct | 5454453312 |
9 | 1837033010 |
10 | 749885130 |
11 | 355321885 |
12 | 18b175376 |
13 | bc487417 |
14 | 71841a78 |
15 | 45c782c0 |
hex | 2cb256ca |
749885130 has 48 divisors (see below), whose sum is σ = 2064393864. Its totient is φ = 188206080.
The previous prime is 749885111. The next prime is 749885131. The reversal of 749885130 is 31588947.
749885130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 747092889 + 2792241 = 27333^2 + 1671^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (749885131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243531 + ... + 246590.
Almost surely, 2749885130 is an apocalyptic number.
749885130 is an abundant number, since it is smaller than the sum of its proper divisors (1314508734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749885130 is a wasteful number, since it uses less digits than its factorization.
749885130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 490151 (or 490148 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 749885130 is about 27384.0305652765. The cubic root of 749885130 is about 908.5139090161.
The spelling of 749885130 in words is "seven hundred forty-nine million, eight hundred eighty-five thousand, one hundred thirty".
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