Base | Representation |
---|---|
bin | 101100011001101… |
… | …011010011101100 |
3 | 1220220201021210011 |
4 | 230121223103230 |
5 | 3011200202432 |
6 | 201530223004 |
7 | 24313534120 |
oct | 5431532354 |
9 | 1826637704 |
10 | 744928492 |
11 | 352546890 |
12 | 189584a64 |
13 | bb4402b9 |
14 | 70d11580 |
15 | 455e9847 |
hex | 2c66b4ec |
744928492 has 48 divisors (see below), whose sum is σ = 1628202240. Its totient is φ = 289713600.
The previous prime is 744928463. The next prime is 744928493. The reversal of 744928492 is 294829447.
It is a happy number.
It is a Smith number, since the sum of its digits (49) 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 (744928493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201759 + ... + 205417.
It is an arithmetic number, because the mean of its divisors is an integer number (33920880).
Almost surely, 2744928492 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 744928492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814101120).
744928492 is an abundant number, since it is smaller than the sum of its proper divisors (883273748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
744928492 is a wasteful number, since it uses less digits than its factorization.
744928492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4342 (or 4340 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 49.
The square root of 744928492 is about 27293.3781712708. The cubic root of 744928492 is about 906.5077648886.
The spelling of 744928492 in words is "seven hundred forty-four million, nine hundred twenty-eight thousand, four hundred ninety-two".
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