Base | Representation |
---|---|
bin | 101100101100110… |
… | …101001000100000 |
3 | 1221021011101021101 |
4 | 230230311020200 |
5 | 3013441340342 |
6 | 202230004144 |
7 | 24404315416 |
oct | 5454651040 |
9 | 1837141241 |
10 | 749949472 |
11 | 355366158 |
12 | 18b1a6654 |
13 | bc4aa7ac |
14 | 7185b2b6 |
15 | 45c8c3b7 |
hex | 2cb35220 |
749949472 has 48 divisors (see below), whose sum is σ = 1506405600. Its totient is φ = 367413760.
The previous prime is 749949469. The next prime is 749949479. The reversal of 749949472 is 274949947.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (749949479) 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, 926604 + ... + 927412.
It is an arithmetic number, because the mean of its divisors is an integer number (31383450).
Almost surely, 2749949472 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 749949472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753202800).
749949472 is an abundant number, since it is smaller than the sum of its proper divisors (756456128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749949472 is a wasteful number, since it uses less digits than its factorization.
749949472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1369 (or 1361 counting only the distinct ones).
The product of its digits is 4572288, while the sum is 55.
The square root of 749949472 is about 27385.2053488741. The cubic root of 749949472 is about 908.5398925202.
The spelling of 749949472 in words is "seven hundred forty-nine million, nine hundred forty-nine thousand, four hundred seventy-two".
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