Base | Representation |
---|---|
bin | 110010101000… |
… | …001011001000 |
3 | 220222021102101 |
4 | 302220023020 |
5 | 11344144002 |
6 | 1152243144 |
7 | 220544104 |
oct | 62501310 |
9 | 26867371 |
10 | 13271752 |
11 | 754529a |
12 | 45404b4 |
13 | 2998b10 |
14 | 1a96904 |
15 | 1272587 |
hex | ca82c8 |
13271752 has 32 divisors (see below), whose sum is σ = 27531000. Its totient is φ = 5958144.
The previous prime is 13271749. The next prime is 13271761. The reversal of 13271752 is 25717231.
It can be written as a sum of positive squares in 4 ways, for example, as 7540516 + 5731236 = 2746^2 + 2394^2 .
It is a super-2 number, since 2×132717522 = 352278802299008, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13271752.
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, 2124 + ... + 5572.
Almost surely, 213271752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13271752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13765500).
13271752 is an abundant number, since it is smaller than the sum of its proper divisors (14259248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13271752 is a wasteful number, since it uses less digits than its factorization.
13271752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3505 (or 3501 counting only the distinct ones).
The product of its digits is 2940, while the sum is 28.
The square root of 13271752 is about 3643.0415863671. The cubic root of 13271752 is about 236.7605931047.
Adding to 13271752 its reverse (25717231), we get a palindrome (38988983).
The spelling of 13271752 in words is "thirteen million, two hundred seventy-one thousand, seven hundred fifty-two".
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