Base | Representation |
---|---|
bin | 111101111001011… |
… | …111011101101101 |
3 | 2200101002022110221 |
4 | 331321133131231 |
5 | 4111322400021 |
6 | 251014131341 |
7 | 34506642106 |
oct | 7571373555 |
9 | 2611068427 |
10 | 1038481261 |
11 | 493217384 |
12 | 24b950b51 |
13 | 1371c166c |
14 | 9bcc73ad |
15 | 61283241 |
hex | 3de5f76d |
1038481261 has 8 divisors (see below), whose sum is σ = 1125140544. Its totient is φ = 954663360.
The previous prime is 1038481253. The next prime is 1038481273. The reversal of 1038481261 is 1621848301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1038481261 - 23 = 1038481253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1038481061) 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, 709585 + ... + 711046.
It is an arithmetic number, because the mean of its divisors is an integer number (140642568).
Almost surely, 21038481261 is an apocalyptic number.
It is an amenable number.
1038481261 is a deficient number, since it is larger than the sum of its proper divisors (86659283).
1038481261 is a wasteful number, since it uses less digits than its factorization.
1038481261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420691.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 1038481261 is about 32225.4753417230. The cubic root of 1038481261 is about 1012.6659825634.
The spelling of 1038481261 in words is "one billion, thirty-eight million, four hundred eighty-one thousand, two hundred sixty-one".
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