Base | Representation |
---|---|
bin | 11000111110001… |
… | …111100011100110 |
3 | 1002012100212120010 |
4 | 120332033203212 |
5 | 1324224013310 |
6 | 105323551050 |
7 | 13245120246 |
oct | 3076174346 |
9 | 1065325503 |
10 | 418969830 |
11 | 1a5552264 |
12 | b838b486 |
13 | 68a53b56 |
14 | 3d901b26 |
15 | 26bae320 |
hex | 18f8f8e6 |
418969830 has 32 divisors (see below), whose sum is σ = 1007373024. Its totient is φ = 111520256.
The previous prime is 418969813. The next prime is 418969861. The reversal of 418969830 is 38969814.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 418969830.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 29246.
It is an arithmetic number, because the mean of its divisors is an integer number (31480407).
Almost surely, 2418969830 is an apocalyptic number.
418969830 is an abundant number, since it is smaller than the sum of its proper divisors (588403194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
418969830 is a wasteful number, since it uses less digits than its factorization.
418969830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25640.
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 418969830 is about 20468.7525267174. The cubic root of 418969830 is about 748.2744507957.
The spelling of 418969830 in words is "four hundred eighteen million, nine hundred sixty-nine thousand, eight hundred thirty".
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