Base | Representation |
---|---|
bin | 1100010000010… |
… | …10101011100011 |
3 | 21011102222211210 |
4 | 12020022223203 |
5 | 202304213240 |
6 | 14111241203 |
7 | 2355551454 |
oct | 610125343 |
9 | 234388753 |
10 | 102804195 |
11 | 5303734a |
12 | 2a519203 |
13 | 183b5cb0 |
14 | d92112b |
15 | 905a780 |
hex | 620aae3 |
102804195 has 32 divisors (see below), whose sum is σ = 177710400. Its totient is φ = 50448384.
The previous prime is 102804161. The next prime is 102804203. The reversal of 102804195 is 591408201.
It is a happy number.
It is not a de Polignac number, because 102804195 - 27 = 102804067 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79111 + ... + 80399.
It is an arithmetic number, because the mean of its divisors is an integer number (5553450).
Almost surely, 2102804195 is an apocalyptic number.
102804195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102804195 is a deficient number, since it is larger than the sum of its proper divisors (74906205).
102804195 is a wasteful number, since it uses less digits than its factorization.
102804195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1719.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 102804195 is about 10139.2403561608. The cubic root of 102804195 is about 468.4575890068.
The spelling of 102804195 in words is "one hundred two million, eight hundred four thousand, one hundred ninety-five".
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