Base | Representation |
---|---|
bin | 11001000101001… |
… | …111100110010110 |
3 | 1002022211002221220 |
4 | 121011033212112 |
5 | 1330211230024 |
6 | 105431151210 |
7 | 13266532530 |
oct | 3105174626 |
9 | 1068732856 |
10 | 420805014 |
11 | 1a6596043 |
12 | b8b15506 |
13 | 69247266 |
14 | 3dc5c850 |
15 | 26e22e79 |
hex | 1914f996 |
420805014 has 64 divisors (see below), whose sum is σ = 975421440. Its totient is φ = 118548000.
The previous prime is 420805003. The next prime is 420805019. The reversal of 420805014 is 410508024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420805019) 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, 1676389 + ... + 1676639.
It is an arithmetic number, because the mean of its divisors is an integer number (15240960).
Almost surely, 2420805014 is an apocalyptic number.
420805014 is an abundant number, since it is smaller than the sum of its proper divisors (554616426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420805014 is a wasteful number, since it uses less digits than its factorization.
420805014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 665.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 420805014 is about 20513.5324603053. The cubic root of 420805014 is about 749.3653974131.
The spelling of 420805014 in words is "four hundred twenty million, eight hundred five thousand, fourteen".
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