Base | Representation |
---|---|
bin | 11001000011000… |
… | …011010101000000 |
3 | 1002021201220211021 |
4 | 121003003111000 |
5 | 1330034333324 |
6 | 105410555224 |
7 | 13261620463 |
oct | 3103032500 |
9 | 1067656737 |
10 | 420230464 |
11 | 1a6233405 |
12 | b8898b14 |
13 | 690a58a4 |
14 | 3db4d2da |
15 | 26d5cae4 |
hex | 190c3540 |
420230464 has 28 divisors (see below), whose sum is σ = 847573108. Its totient is φ = 206668800.
The previous prime is 420230453. The next prime is 420230471. The reversal of 420230464 is 464032024.
It can be written as a sum of positive squares in 2 ways, for example, as 43560000 + 376670464 = 6600^2 + 19408^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49917 + ... + 57724.
Almost surely, 2420230464 is an apocalyptic number.
It is an amenable number.
420230464 is an abundant number, since it is smaller than the sum of its proper divisors (427342644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420230464 is a wasteful number, since it uses less digits than its factorization.
420230464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107714 (or 107704 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 420230464 is about 20499.5235066574. The cubic root of 420230464 is about 749.0241910947.
Adding to 420230464 its reverse (464032024), we get a palindrome (884262488).
The spelling of 420230464 in words is "four hundred twenty million, two hundred thirty thousand, four hundred sixty-four".
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