Base | Representation |
---|---|
bin | 10100000011010… |
… | …00010010101111 |
3 | 102201111102010022 |
4 | 22001220102233 |
5 | 321024334333 |
6 | 24405032355 |
7 | 4111446044 |
oct | 1201502257 |
9 | 381442108 |
10 | 168199343 |
11 | 86a42724 |
12 | 483b56bb |
13 | 28b01850 |
14 | 184a51cb |
15 | eb76c98 |
hex | a0684af |
168199343 has 32 divisors (see below), whose sum is σ = 207023040. Its totient is φ = 134922240.
The previous prime is 168199337. The next prime is 168199349. The reversal of 168199343 is 343991861.
It is an interprime number because it is at equal distance from previous prime (168199337) and next prime (168199349).
It is a cyclic number.
It is not a de Polignac number, because 168199343 - 24 = 168199327 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 168199294 and 168199303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168199349) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171671 + ... + 172647.
It is an arithmetic number, because the mean of its divisors is an integer number (6469470).
Almost surely, 2168199343 is an apocalyptic number.
168199343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
168199343 is a deficient number, since it is larger than the sum of its proper divisors (38823697).
168199343 is a wasteful number, since it uses less digits than its factorization.
168199343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1067.
The product of its digits is 139968, while the sum is 44.
The square root of 168199343 is about 12969.1689402213. The cubic root of 168199343 is about 552.0029919585.
It can be divided in two parts, 16819 and 9343, that added together give a palindrome (26162).
The spelling of 168199343 in words is "one hundred sixty-eight million, one hundred ninety-nine thousand, three hundred forty-three".
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