Base | Representation |
---|---|
bin | 101100101010010… |
… | …011000101110100 |
3 | 1221012220122211000 |
4 | 230222103011310 |
5 | 3013304120443 |
6 | 202203443300 |
7 | 24365552361 |
oct | 5452230564 |
9 | 1835818730 |
10 | 749285748 |
11 | 354a52522 |
12 | 18ab26530 |
13 | bc307663 |
14 | 71727468 |
15 | 45baa8d3 |
hex | 2ca93174 |
749285748 has 96 divisors (see below), whose sum is σ = 2110976000. Its totient is φ = 228964320.
The previous prime is 749285741. The next prime is 749285759. The reversal of 749285748 is 847582947.
It is a happy number.
749285748 is a `hidden beast` number, since 7 + 49 + 28 + 574 + 8 = 666.
It is a super-2 number, since 2×7492857482 = 1122858264311839008, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 749285694 and 749285703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (749285741) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57723 + ... + 69501.
Almost surely, 2749285748 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 749285748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055488000).
749285748 is an abundant number, since it is smaller than the sum of its proper divisors (1361690252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749285748 is a wasteful number, since it uses less digits than its factorization.
749285748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11842 (or 11834 counting only the distinct ones).
The product of its digits is 4515840, while the sum is 54.
The square root of 749285748 is about 27373.0843713309. The cubic root of 749285748 is about 908.2717865844.
The spelling of 749285748 in words is "seven hundred forty-nine million, two hundred eighty-five thousand, seven hundred forty-eight".
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