Base | Representation |
---|---|
bin | 1100010000111… |
… | …11000110110010 |
3 | 21011121020121102 |
4 | 12020133012302 |
5 | 202314402413 |
6 | 14113124402 |
7 | 2356350413 |
oct | 610370662 |
9 | 234536542 |
10 | 102887858 |
11 | 53094197 |
12 | 2a559702 |
13 | 184150b8 |
14 | d94380a |
15 | 9075458 |
hex | 621f1b2 |
102887858 has 8 divisors (see below), whose sum is σ = 156947760. Its totient is φ = 50571940.
The previous prime is 102887857. The next prime is 102887867. The reversal of 102887858 is 858788201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1028878582 = 21171822647656328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102887857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435848 + ... + 436083.
It is an arithmetic number, because the mean of its divisors is an integer number (19618470).
Almost surely, 2102887858 is an apocalyptic number.
102887858 is a deficient number, since it is larger than the sum of its proper divisors (54059902).
102887858 is an equidigital number, since it uses as much as digits as its factorization.
102887858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 871992.
The product of its (nonzero) digits is 286720, while the sum is 47.
The square root of 102887858 is about 10143.3652206750. The cubic root of 102887858 is about 468.5846329156.
The spelling of 102887858 in words is "one hundred two million, eight hundred eighty-seven thousand, eight hundred fifty-eight".
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