Base | Representation |
---|---|
bin | 1100111001011… |
… | …10100101100111 |
3 | 21112120211110210 |
4 | 12130232211213 |
5 | 210144203101 |
6 | 14422550503 |
7 | 2452430562 |
oct | 634564547 |
9 | 245524423 |
10 | 108194151 |
11 | 5608895a |
12 | 30298433 |
13 | 19552410 |
14 | 105254d9 |
15 | 97727d6 |
hex | 672e967 |
108194151 has 16 divisors (see below), whose sum is σ = 163533440. Its totient is φ = 63076320.
The previous prime is 108194117. The next prime is 108194153. The reversal of 108194151 is 151491801.
It is a happy number.
It is not a de Polignac number, because 108194151 - 211 = 108192103 is a prime.
It is a super-2 number, since 2×1081941512 = 23411948621221602, which contains 22 as substring.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108194153) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72265 + ... + 73746.
It is an arithmetic number, because the mean of its divisors is an integer number (10220840).
Almost surely, 2108194151 is an apocalyptic number.
108194151 is a deficient number, since it is larger than the sum of its proper divisors (55339289).
108194151 is a wasteful number, since it uses less digits than its factorization.
108194151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146046.
The product of its (nonzero) digits is 1440, while the sum is 30.
The square root of 108194151 is about 10401.6417454169. The cubic root of 108194151 is about 476.5055109658.
It can be divided in two parts, 108194 and 151, that added together give a triangular number (108345 = T465).
The spelling of 108194151 in words is "one hundred eight million, one hundred ninety-four thousand, one hundred fifty-one".
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