Base | Representation |
---|---|
bin | 11001000010111… |
… | …100001111010110 |
3 | 1002021200102222221 |
4 | 121002330033112 |
5 | 1330032421210 |
6 | 105410212554 |
7 | 13261440025 |
oct | 3102741726 |
9 | 1067612887 |
10 | 420201430 |
11 | 1a6213610 |
12 | b888415a |
13 | 690955cc |
14 | 3db428bc |
15 | 26d541da |
hex | 190bc3d6 |
420201430 has 64 divisors (see below), whose sum is σ = 844286976. Its totient is φ = 149296000.
The previous prime is 420201409. The next prime is 420201433. The reversal of 420201430 is 34102024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420201433) 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, 1350975 + ... + 1351285.
It is an arithmetic number, because the mean of its divisors is an integer number (13191984).
Almost surely, 2420201430 is an apocalyptic number.
420201430 is an abundant number, since it is smaller than the sum of its proper divisors (424085546).
420201430 is a wasteful number, since it uses less digits than its factorization.
420201430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 420201430 is about 20498.8153316234. The cubic root of 420201430 is about 749.0069405056.
Adding to 420201430 its reverse (34102024), we get a palindrome (454303454).
The spelling of 420201430 in words is "four hundred twenty million, two hundred one thousand, four hundred thirty".
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