Base | Representation |
---|---|
bin | 1100110101001110100 |
3 | 210100202220 |
4 | 1212221310 |
5 | 101423333 |
6 | 13002340 |
7 | 3400566 |
oct | 1465164 |
9 | 710686 |
10 | 420468 |
11 | 2679a4 |
12 | 1833b0 |
13 | 1194c9 |
14 | ad336 |
15 | 848b3 |
hex | 66a74 |
420468 has 24 divisors (see below), whose sum is σ = 1008672. Its totient is φ = 136224.
The previous prime is 420467. The next prime is 420479. The reversal of 420468 is 864024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420467) 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, 30 + ... + 917.
It is an arithmetic number, because the mean of its divisors is an integer number (42028).
2420468 is an apocalyptic number.
It is an amenable number.
420468 is an abundant number, since it is smaller than the sum of its proper divisors (588204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420468 is a wasteful number, since it uses less digits than its factorization.
420468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 991 (or 989 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 420468 is about 648.4350391520. The cubic root of 420468 is about 74.9165293587.
Subtracting 420468 from its reverse (864024), we obtain a square (443556 = 6662).
It can be divided in two parts, 420 and 468, that added together give a palindrome (888).
The spelling of 420468 in words is "four hundred twenty thousand, four hundred sixty-eight".
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