Base | Representation |
---|---|
bin | 100110011110… |
… | …1011110100000 |
3 | 1101221222120001 |
4 | 1030331132200 |
5 | 20131043002 |
6 | 2000225344 |
7 | 333324343 |
oct | 114753640 |
9 | 41858501 |
10 | 20174752 |
11 | 1042a654 |
12 | 690b254 |
13 | 4244b30 |
14 | 297245a |
15 | 1b87a87 |
hex | 133d7a0 |
20174752 has 24 divisors (see below), whose sum is σ = 42775236. Its totient is φ = 9311232.
The previous prime is 20174729. The next prime is 20174753. The reversal of 20174752 is 25747102.
It can be written as a sum of positive squares in 2 ways, for example, as 17338896 + 2835856 = 4164^2 + 1684^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20174752.
It is not an unprimeable number, because it can be changed into a prime (20174753) 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, 23833 + ... + 24664.
Almost surely, 220174752 is an apocalyptic number.
It is an amenable number.
20174752 is an abundant number, since it is smaller than the sum of its proper divisors (22600484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20174752 is a wasteful number, since it uses less digits than its factorization.
20174752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48520 (or 48512 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 28.
The square root of 20174752 is about 4491.6313294838. The cubic root of 20174752 is about 272.2300533512.
The spelling of 20174752 in words is "twenty million, one hundred seventy-four thousand, seven hundred fifty-two".
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