Base | Representation |
---|---|
bin | 101100101010000… |
… | …010001011011000 |
3 | 1221012210010210020 |
4 | 230222002023120 |
5 | 3013244411342 |
6 | 202202150440 |
7 | 24365143404 |
oct | 5452021330 |
9 | 1835703706 |
10 | 749216472 |
11 | 354a05474 |
12 | 18aab2420 |
13 | bc2b1c74 |
14 | 7170a104 |
15 | 45b950ec |
hex | 2ca822d8 |
749216472 has 32 divisors (see below), whose sum is σ = 1912896000. Its totient is φ = 244424864.
The previous prime is 749216471. The next prime is 749216473. The reversal of 749216472 is 274612947.
It is an interprime number because it is at equal distance from previous prime (749216471) and next prime (749216473).
It is a super-2 number, since 2×7492164722 = 1122650643832253568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (749216471) 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, 330972 + ... + 333227.
It is an arithmetic number, because the mean of its divisors is an integer number (59778000).
Almost surely, 2749216472 is an apocalyptic number.
It is an amenable number.
749216472 is an abundant number, since it is smaller than the sum of its proper divisors (1163679528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749216472 is a wasteful number, since it uses less digits than its factorization.
749216472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664255 (or 664251 counting only the distinct ones).
The product of its digits is 169344, while the sum is 42.
The square root of 749216472 is about 27371.8189384630. The cubic root of 749216472 is about 908.2437939814.
The spelling of 749216472 in words is "seven hundred forty-nine million, two hundred sixteen thousand, four hundred seventy-two".
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