Base | Representation |
---|---|
bin | 10100100101011… |
… | …11000001101100 |
3 | 110000221020001110 |
4 | 22102233001230 |
5 | 323201331442 |
6 | 25045112020 |
7 | 4164533031 |
oct | 1222570154 |
9 | 400836043 |
10 | 172683372 |
11 | 89525634 |
12 | 499b8610 |
13 | 29a11814 |
14 | 18d11388 |
15 | 1026069c |
hex | a4af06c |
172683372 has 24 divisors (see below), whose sum is σ = 404232192. Its totient is φ = 57374800.
The previous prime is 172683353. The next prime is 172683373. The reversal of 172683372 is 273386271.
It is a self number, because there is not a number n which added to its sum of digits gives 172683372.
It is not an unprimeable number, because it can be changed into a prime (172683373) 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 7 ways as a sum of consecutive naturals, for example, 19404 + ... + 26867.
It is an arithmetic number, because the mean of its divisors is an integer number (16843008).
Almost surely, 2172683372 is an apocalyptic number.
172683372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
172683372 is an abundant number, since it is smaller than the sum of its proper divisors (231548820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172683372 is a wasteful number, since it uses less digits than its factorization.
172683372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46589 (or 46587 counting only the distinct ones).
The product of its digits is 84672, while the sum is 39.
The square root of 172683372 is about 13140.9045350767. The cubic root of 172683372 is about 556.8653218259.
The spelling of 172683372 in words is "one hundred seventy-two million, six hundred eighty-three thousand, three hundred seventy-two".
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