Base | Representation |
---|---|
bin | 10100100000010… |
… | …00001111110000 |
3 | 102222122111222021 |
4 | 22100020033300 |
5 | 323013001430 |
6 | 25022321224 |
7 | 4155656266 |
oct | 1220101760 |
9 | 388574867 |
10 | 172000240 |
11 | 890a9365 |
12 | 49729214 |
13 | 298328b9 |
14 | 18bb4436 |
15 | 1017807a |
hex | a4083f0 |
172000240 has 40 divisors (see below), whose sum is σ = 401001120. Its totient is φ = 68610816.
The previous prime is 172000229. The next prime is 172000259. The reversal of 172000240 is 42000271.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28357 + ... + 33883.
It is an arithmetic number, because the mean of its divisors is an integer number (10025028).
Almost surely, 2172000240 is an apocalyptic number.
172000240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
172000240 is an abundant number, since it is smaller than the sum of its proper divisors (229000880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172000240 is a wasteful number, since it uses less digits than its factorization.
172000240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5929 (or 5923 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 172000240 is about 13114.8861985150. The cubic root of 172000240 is about 556.1300353170.
The spelling of 172000240 in words is "one hundred seventy-two million, two hundred forty", and thus it is an aban number.
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