Base | Representation |
---|---|
bin | 10100100001010… |
… | …01001010011000 |
3 | 102222220100220202 |
4 | 22100221022120 |
5 | 323031310224 |
6 | 25025241332 |
7 | 4160060333 |
oct | 1220511230 |
9 | 388810822 |
10 | 172135064 |
11 | 89190692 |
12 | 49793248 |
13 | 2987c08a |
14 | 18c0b61a |
15 | 101a2eae |
hex | a429298 |
172135064 has 32 divisors (see below), whose sum is σ = 352771200. Its totient is φ = 78389760.
The previous prime is 172135057. The next prime is 172135069. The reversal of 172135064 is 460531271.
It is a super-3 number, since 3×1721350643 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (172135069) 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, 16199 + ... + 24630.
It is an arithmetic number, because the mean of its divisors is an integer number (11024100).
Almost surely, 2172135064 is an apocalyptic number.
It is an amenable number.
172135064 is an abundant number, since it is smaller than the sum of its proper divisors (180636136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172135064 is a wasteful number, since it uses less digits than its factorization.
172135064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40883 (or 40879 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 172135064 is about 13120.0253048536. The cubic root of 172135064 is about 556.2753066128.
The spelling of 172135064 in words is "one hundred seventy-two million, one hundred thirty-five thousand, sixty-four".
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