Base | Representation |
---|---|
bin | 101100101001101… |
… | …111111110011101 |
3 | 1221012122100111221 |
4 | 230221233332131 |
5 | 3013240020132 |
6 | 202200413341 |
7 | 24364413136 |
oct | 5451577635 |
9 | 1835570457 |
10 | 749141917 |
11 | 354964457 |
12 | 18aa77251 |
13 | bc287054 |
14 | 716cac8d |
15 | 45b7ce97 |
hex | 2ca6ff9d |
749141917 has 2 divisors, whose sum is σ = 749141918. Its totient is φ = 749141916.
The previous prime is 749141903. The next prime is 749141927. The reversal of 749141917 is 719141947.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 748241316 + 900601 = 27354^2 + 949^2 .
It is a cyclic number.
It is not a de Polignac number, because 749141917 - 223 = 740753309 is a prime.
It is a super-2 number, since 2×7491419172 = 1122427223612869778, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (749141927) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374570958 + 374570959.
It is an arithmetic number, because the mean of its divisors is an integer number (374570959).
Almost surely, 2749141917 is an apocalyptic number.
It is an amenable number.
749141917 is a deficient number, since it is larger than the sum of its proper divisors (1).
749141917 is an equidigital number, since it uses as much as digits as its factorization.
749141917 is an evil number, because the sum of its binary digits is even.
The product of its digits is 63504, while the sum is 43.
The square root of 749141917 is about 27370.4570111644. The cubic root of 749141917 is about 908.2136663459.
The spelling of 749141917 in words is "seven hundred forty-nine million, one hundred forty-one thousand, nine hundred seventeen".
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