Base | Representation |
---|---|
bin | 10100100110101… |
… | …00110001110100 |
3 | 110001020002011120 |
4 | 22103110301310 |
5 | 323221304004 |
6 | 25052303540 |
7 | 4166045613 |
oct | 1223246164 |
9 | 401202146 |
10 | 172838004 |
11 | 89620829 |
12 | 49a71bb0 |
13 | 29a67011 |
14 | 18d5187a |
15 | 102913d9 |
hex | a4d4c74 |
172838004 has 12 divisors (see below), whose sum is σ = 403288704. Its totient is φ = 57612664.
The previous prime is 172837993. The next prime is 172838009. The reversal of 172838004 is 400838271.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (172838009) 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, 7201572 + ... + 7201595.
It is an arithmetic number, because the mean of its divisors is an integer number (33607392).
Almost surely, 2172838004 is an apocalyptic number.
It is an amenable number.
172838004 is an abundant number, since it is smaller than the sum of its proper divisors (230450700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172838004 is a wasteful number, since it uses less digits than its factorization.
172838004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14403174 (or 14403172 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 172838004 is about 13146.7868317700. The cubic root of 172838004 is about 557.0314901289.
The spelling of 172838004 in words is "one hundred seventy-two million, eight hundred thirty-eight thousand, four".
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