Base | Representation |
---|---|
bin | 111110000100… |
… | …0100111011001 |
3 | 2021020021001121 |
4 | 1330020213121 |
5 | 31312304040 |
6 | 3121245241 |
7 | 543411100 |
oct | 174104731 |
9 | 67207047 |
10 | 32541145 |
11 | 1740670a |
12 | aa93821 |
13 | 6984820 |
14 | 4471037 |
15 | 2ccbc4a |
hex | 1f089d9 |
32541145 has 48 divisors (see below), whose sum is σ = 51882768. Its totient is φ = 19353600.
The previous prime is 32541143. The next prime is 32541149. The reversal of 32541145 is 54114523.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 153664 + 32387481 = 392^2 + 5691^2 .
It is not a de Polignac number, because 32541145 - 21 = 32541143 is a prime.
It is a super-2 number, since 2×325411452 = 2117852235822050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (32541143) 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 47 ways as a sum of consecutive naturals, for example, 53845 + ... + 54445.
It is an arithmetic number, because the mean of its divisors is an integer number (1080891).
Almost surely, 232541145 is an apocalyptic number.
32541145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
32541145 is a deficient number, since it is larger than the sum of its proper divisors (19341623).
32541145 is a wasteful number, since it uses less digits than its factorization.
32541145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650 (or 643 counting only the distinct ones).
The product of its digits is 2400, while the sum is 25.
The square root of 32541145 is about 5704.4846392992. The cubic root of 32541145 is about 319.2598289925.
Adding to 32541145 its reverse (54114523), we get a palindrome (86655668).
The spelling of 32541145 in words is "thirty-two million, five hundred forty-one thousand, one hundred forty-five".
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