Base | Representation |
---|---|
bin | 1100001101000… |
… | …10111010100001 |
3 | 21010122101211002 |
4 | 12012202322201 |
5 | 202202113134 |
6 | 14054201345 |
7 | 2352131354 |
oct | 606427241 |
9 | 233571732 |
10 | 102379169 |
11 | 52876a92 |
12 | 2a353255 |
13 | 182976b9 |
14 | d85029b |
15 | 8ec487e |
hex | 61a2ea1 |
102379169 has 2 divisors, whose sum is σ = 102379170. Its totient is φ = 102379168.
The previous prime is 102379157. The next prime is 102379171. The reversal of 102379169 is 961973201.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 77228944 + 25150225 = 8788^2 + 5015^2 .
It is a cyclic number.
It is not a de Polignac number, because 102379169 - 24 = 102379153 is a prime.
It is a super-2 number, since 2×1023791692 = 20962988490261122, which contains 22 as substring.
Together with 102379171, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (102379139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51189584 + 51189585.
It is an arithmetic number, because the mean of its divisors is an integer number (51189585).
Almost surely, 2102379169 is an apocalyptic number.
It is an amenable number.
102379169 is a deficient number, since it is larger than the sum of its proper divisors (1).
102379169 is an equidigital number, since it uses as much as digits as its factorization.
102379169 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20412, while the sum is 38.
The square root of 102379169 is about 10118.2591882201. The cubic root of 102379169 is about 467.8111118931.
The spelling of 102379169 in words is "one hundred two million, three hundred seventy-nine thousand, one hundred sixty-nine".
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