Base | Representation |
---|---|
bin | 10100000100110… |
… | …11101110101111 |
3 | 102201220010010120 |
4 | 22002123232233 |
5 | 321103110111 |
6 | 24413340023 |
7 | 4113314226 |
oct | 1202335657 |
9 | 381803116 |
10 | 168410031 |
11 | 87076a49 |
12 | 48497613 |
13 | 28b7670a |
14 | 1851bcbd |
15 | ebb9406 |
hex | a09bbaf |
168410031 has 8 divisors (see below), whose sum is σ = 224640384. Its totient is φ = 112226520.
The previous prime is 168410029. The next prime is 168410087. The reversal of 168410031 is 130014861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 168410031 - 21 = 168410029 is a prime.
It is a super-2 number, since 2×1684100312 = 56723877082841922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 168409983 and 168410010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168411031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221 + ... + 18486.
It is an arithmetic number, because the mean of its divisors is an integer number (28080048).
Almost surely, 2168410031 is an apocalyptic number.
168410031 is a deficient number, since it is larger than the sum of its proper divisors (56230353).
168410031 is a wasteful number, since it uses less digits than its factorization.
168410031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23421.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 168410031 is about 12977.2890466384. The cubic root of 168410031 is about 552.2333770845.
Adding to 168410031 its reverse (130014861), we get a palindrome (298424892).
The spelling of 168410031 in words is "one hundred sixty-eight million, four hundred ten thousand, thirty-one".
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