Base | Representation |
---|---|
bin | 110011010001… |
… | …001001000100 |
3 | 221021210121100 |
4 | 303101021010 |
5 | 11420031211 |
6 | 1200020100 |
7 | 222143244 |
oct | 63211104 |
9 | 27253540 |
10 | 13439556 |
11 | 764a379 |
12 | 4601630 |
13 | 2a27300 |
14 | 1adbb24 |
15 | 12a7156 |
hex | cd1244 |
13439556 has 81 divisors (see below), whose sum is σ = 37585821. Its totient is φ = 4047264.
The previous prime is 13439527. The next prime is 13439633. The reversal of 13439556 is 65593431.
The square root of 13439556 is 3666.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1988100 + 11451456 = 1410^2 + 3384^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 13439556.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 285925 + ... + 285971.
Almost surely, 213439556 is an apocalyptic number.
13439556 is the 3666-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13439556
13439556 is an abundant number, since it is smaller than the sum of its proper divisors (24146265).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13439556 is a wasteful number, since it uses less digits than its factorization.
13439556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130 (or 65 counting only the distinct ones).
The product of its digits is 48600, while the sum is 36.
The cubic root of 13439556 is about 237.7542599256.
Subtracting from 13439556 its sum of digits (36), we obtain a triangular number (13439520 = T5184).
Multiplying 13439556 by its sum of digits (36), we get a square (483824016 = 219962).
13439556 divided by its sum of digits (36) gives a square (373321 = 6112).
It can be divided in two parts, 13 and 439556, that added together give a square (439569 = 6632).
The spelling of 13439556 in words is "thirteen million, four hundred thirty-nine thousand, five hundred fifty-six".
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