Base | Representation |
---|---|
bin | 111010010110001… |
… | …1010100110010101 |
3 | 12001102221120011202 |
4 | 1310230122212111 |
5 | 13002144102331 |
6 | 522134242245 |
7 | 66342012500 |
oct | 16454324625 |
9 | 5042846152 |
10 | 1957800341 |
11 | 915144412 |
12 | 4677b6385 |
13 | 2527c0553 |
14 | 148032137 |
15 | b6d28ecb |
hex | 74b1a995 |
1957800341 has 12 divisors (see below), whose sum is σ = 2285562060. Its totient is φ = 1672130880.
The previous prime is 1957800329. The next prime is 1957800343. The reversal of 1957800341 is 1430087591.
It can be written as a sum of positive squares in 2 ways, for example, as 473932900 + 1483867441 = 21770^2 + 38521^2 .
It is not a de Polignac number, because 1957800341 - 210 = 1957799317 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1957800295 and 1957800304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1957800343) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57326 + ... + 84863.
It is an arithmetic number, because the mean of its divisors is an integer number (190463505).
Almost surely, 21957800341 is an apocalyptic number.
It is an amenable number.
1957800341 is a deficient number, since it is larger than the sum of its proper divisors (327761719).
1957800341 is a wasteful number, since it uses less digits than its factorization.
1957800341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142484 (or 142477 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 1957800341 is about 44247.0376522542. The cubic root of 1957800341 is about 1250.9966112816.
The spelling of 1957800341 in words is "one billion, nine hundred fifty-seven million, eight hundred thousand, three hundred forty-one".
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