Base | Representation |
---|---|
bin | 100100101110101… |
… | …0110101110010100 |
3 | 10011220001000220101 |
4 | 1021131112232110 |
5 | 10011000311040 |
6 | 322143143444 |
7 | 42353333161 |
oct | 11135265624 |
9 | 3156030811 |
10 | 1232432020 |
11 | 582748466 |
12 | 2a48a4b84 |
13 | 16843b421 |
14 | b9973068 |
15 | 732e509a |
hex | 49756b94 |
1232432020 has 24 divisors (see below), whose sum is σ = 2590039368. Its totient is φ = 492604800.
The previous prime is 1232432011. The next prime is 1232432027. The reversal of 1232432020 is 202342321.
It can be written as a sum of positive squares in 4 ways, for example, as 444619396 + 787812624 = 21086^2 + 28068^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232432027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5310 + ... + 49930.
It is an arithmetic number, because the mean of its divisors is an integer number (107918307).
Almost surely, 21232432020 is an apocalyptic number.
1232432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232432020 is an abundant number, since it is smaller than the sum of its proper divisors (1357607348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232432020 is a wasteful number, since it uses less digits than its factorization.
1232432020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46011 (or 46009 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 1232432020 is about 35106.0111661806. The cubic root of 1232432020 is about 1072.1469745855.
Adding to 1232432020 its reverse (202342321), we get a palindrome (1434774341).
It can be divided in two parts, 12324 and 32020, that added together give a palindrome (44344).
The spelling of 1232432020 in words is "one billion, two hundred thirty-two million, four hundred thirty-two thousand, twenty".
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