Base | Representation |
---|---|
bin | 101100010011010… |
… | …100000111011110 |
3 | 1220210120112220210 |
4 | 230103110013132 |
5 | 3010233320023 |
6 | 201430353250 |
7 | 24263416431 |
oct | 5423240736 |
9 | 1823515823 |
10 | 743260638 |
11 | 35160779a |
12 | 188abb826 |
13 | baca80c3 |
14 | 709d9818 |
15 | 453ba593 |
hex | 2c4d41de |
743260638 has 32 divisors (see below), whose sum is σ = 1575728640. Its totient is φ = 232918400.
The previous prime is 743260631. The next prime is 743260649. The reversal of 743260638 is 836062347.
743260638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 743260596 and 743260605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (743260631) 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, 100363 + ... + 107513.
It is an arithmetic number, because the mean of its divisors is an integer number (49241520).
Almost surely, 2743260638 is an apocalyptic number.
743260638 is an abundant number, since it is smaller than the sum of its proper divisors (832468002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
743260638 is a wasteful number, since it uses less digits than its factorization.
743260638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8192.
The product of its (nonzero) digits is 145152, while the sum is 39.
The square root of 743260638 is about 27262.8068620969. The cubic root of 743260638 is about 905.8307189734.
The spelling of 743260638 in words is "seven hundred forty-three million, two hundred sixty thousand, six hundred thirty-eight".
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