Base | Representation |
---|---|
bin | 11001000010010… |
… | …010101000111000 |
3 | 1002021100210020220 |
4 | 121002102220320 |
5 | 1330011443112 |
6 | 105402420040 |
7 | 13260130161 |
oct | 3102225070 |
9 | 1067323226 |
10 | 420031032 |
11 | 1a6107593 |
12 | b8801620 |
13 | 69035b95 |
14 | 3dada768 |
15 | 26d1d98c |
hex | 19092a38 |
420031032 has 16 divisors (see below), whose sum is σ = 1050077640. Its totient is φ = 140010336.
The previous prime is 420030911. The next prime is 420031033. The reversal of 420031032 is 230130024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420031033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750623 + ... + 8750670.
Almost surely, 2420031032 is an apocalyptic number.
It is an amenable number.
420031032 is an abundant number, since it is smaller than the sum of its proper divisors (630046608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420031032 is a wasteful number, since it uses less digits than its factorization.
420031032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17501302 (or 17501298 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 420031032 is about 20494.6586212115. The cubic root of 420031032 is about 748.9056822905.
Adding to 420031032 its reverse (230130024), we get a palindrome (650161056).
The spelling of 420031032 in words is "four hundred twenty million, thirty-one thousand, thirty-two".
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