Base | Representation |
---|---|
bin | 10100100011001… |
… | …01101011001100 |
3 | 110000100221220202 |
4 | 22101211223030 |
5 | 323112223144 |
6 | 25034433032 |
7 | 4162142060 |
oct | 1221455314 |
9 | 400327822 |
10 | 172382924 |
11 | 8933a92a |
12 | 49892778 |
13 | 29937b3c |
14 | 18c73aa0 |
15 | 1020164e |
hex | a465acc |
172382924 has 48 divisors (see below), whose sum is σ = 371988288. Its totient is φ = 68210688.
The previous prime is 172382921. The next prime is 172382927. The reversal of 172382924 is 429283271.
It is an interprime number because it is at equal distance from previous prime (172382921) and next prime (172382927).
Its product of digits (48384) is a multiple of the sum of its prime divisors (6912).
It is not an unprimeable number, because it can be changed into a prime (172382921) 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 15 ways as a sum of consecutive naturals, for example, 21812 + ... + 28644.
It is an arithmetic number, because the mean of its divisors is an integer number (7749756).
Almost surely, 2172382924 is an apocalyptic number.
172382924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 172382924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185994144).
172382924 is an abundant number, since it is smaller than the sum of its proper divisors (199605364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172382924 is a wasteful number, since it uses less digits than its factorization.
172382924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6914 (or 6912 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The square root of 172382924 is about 13129.4677729145. The cubic root of 172382924 is about 556.5421751005.
The spelling of 172382924 in words is "one hundred seventy-two million, three hundred eighty-two thousand, nine hundred twenty-four".
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