Base | Representation |
---|---|
bin | 101100100110110… |
… | …110011100100001 |
3 | 1221011012202002022 |
4 | 230212312130201 |
5 | 3013041210420 |
6 | 202132231225 |
7 | 24355066451 |
oct | 5446663441 |
9 | 1834182068 |
10 | 748381985 |
11 | 35449550a |
12 | 18a76b515 |
13 | bc07c1a0 |
14 | 7156dd61 |
15 | 45a7cc25 |
hex | 2c9b6721 |
748381985 has 16 divisors (see below), whose sum is σ = 968058000. Its totient is φ = 552126720.
The previous prime is 748381969. The next prime is 748382021. The reversal of 748381985 is 589183847.
748381985 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 8 ways, for example, as 34904464 + 713477521 = 5908^2 + 26711^2 .
It is not a de Polignac number, because 748381985 - 24 = 748381969 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71891 + ... + 81639.
It is an arithmetic number, because the mean of its divisors is an integer number (60503625).
Almost surely, 2748381985 is an apocalyptic number.
It is an amenable number.
748381985 is a deficient number, since it is larger than the sum of its proper divisors (219676015).
748381985 is a wasteful number, since it uses less digits than its factorization.
748381985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10948.
The product of its digits is 1935360, while the sum is 53.
The square root of 748381985 is about 27356.5711484462. The cubic root of 748381985 is about 907.9064641467.
The spelling of 748381985 in words is "seven hundred forty-eight million, three hundred eighty-one thousand, nine hundred eighty-five".
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