Base | Representation |
---|---|
bin | 111101110110… |
… | …1000001110101 |
3 | 2021000112001120 |
4 | 1323231001311 |
5 | 31300200044 |
6 | 3115014153 |
7 | 542430465 |
oct | 173550165 |
9 | 67015046 |
10 | 32428149 |
11 | 17339826 |
12 | aa3a359 |
13 | 6945270 |
14 | 4441ba5 |
15 | 2ca8519 |
hex | 1eed075 |
32428149 has 32 divisors (see below), whose sum is σ = 48580224. Its totient is φ = 19111680.
The previous prime is 32428147. The next prime is 32428153. The reversal of 32428149 is 94182423.
It is not a de Polignac number, because 32428149 - 21 = 32428147 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32428147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102139 + ... + 102455.
It is an arithmetic number, because the mean of its divisors is an integer number (1518132).
Almost surely, 232428149 is an apocalyptic number.
32428149 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
32428149 is a deficient number, since it is larger than the sum of its proper divisors (16152075).
32428149 is a wasteful number, since it uses less digits than its factorization.
32428149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437.
The product of its digits is 13824, while the sum is 33.
The square root of 32428149 is about 5694.5718890888. The cubic root of 32428149 is about 318.8898674139.
The spelling of 32428149 in words is "thirty-two million, four hundred twenty-eight thousand, one hundred forty-nine".
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