Base | Representation |
---|---|
bin | 101000111110101… |
… | …0111101110111101 |
3 | 10112211101101200202 |
4 | 1101331113232331 |
5 | 10304002324433 |
6 | 344235533245 |
7 | 46034445146 |
oct | 12175275675 |
9 | 3484341622 |
10 | 1375042493 |
11 | 6461a2860 |
12 | 3245ba225 |
13 | 18bb50a16 |
14 | d0896acd |
15 | 80ab4ee8 |
hex | 51f57bbd |
1375042493 has 8 divisors (see below), whose sum is σ = 1504072416. Its totient is φ = 1246683600.
The previous prime is 1375042463. The next prime is 1375042499. The reversal of 1375042493 is 3942405731.
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 1375042493 - 212 = 1375038397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1375042499) 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, 163463 + ... + 171668.
It is an arithmetic number, because the mean of its divisors is an integer number (188009052).
Almost surely, 21375042493 is an apocalyptic number.
It is an amenable number.
1375042493 is a deficient number, since it is larger than the sum of its proper divisors (129029923).
1375042493 is a wasteful number, since it uses less digits than its factorization.
1375042493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335515.
The product of its (nonzero) digits is 90720, while the sum is 38.
The square root of 1375042493 is about 37081.5654065467. The cubic root of 1375042493 is about 1112.0015001468.
The spelling of 1375042493 in words is "one billion, three hundred seventy-five million, forty-two thousand, four hundred ninety-three".
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