Base | Representation |
---|---|
bin | 1100001100100… |
… | …01100011110111 |
3 | 21010111210022102 |
4 | 12012101203313 |
5 | 202142324322 |
6 | 14052452315 |
7 | 2351414210 |
oct | 606214367 |
9 | 233453272 |
10 | 102308087 |
11 | 52828642 |
12 | 2a31a09b |
13 | 1827123b |
14 | d832407 |
15 | 8ead792 |
hex | 61918f7 |
102308087 has 12 divisors (see below), whose sum is σ = 117886608. Its totient is φ = 86976000.
The previous prime is 102308083. The next prime is 102308093. The reversal of 102308087 is 780803201.
It is not a de Polignac number, because 102308087 - 22 = 102308083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102308083) 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, 159287 + ... + 159927.
It is an arithmetic number, because the mean of its divisors is an integer number (9823884).
Almost surely, 2102308087 is an apocalyptic number.
102308087 is a deficient number, since it is larger than the sum of its proper divisors (15578521).
102308087 is an frugal number, since it uses more digits than its factorization.
102308087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950 (or 799 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 102308087 is about 10114.7460175726. The cubic root of 102308087 is about 467.7028195240.
The spelling of 102308087 in words is "one hundred two million, three hundred eight thousand, eighty-seven".
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