Base | Representation |
---|---|
bin | 11010001010011… |
… | …000101001010100 |
3 | 1010120220221202211 |
4 | 122022120221110 |
5 | 1344331230004 |
6 | 111315443204 |
7 | 13606562212 |
oct | 3212305124 |
9 | 1116827684 |
10 | 438930004 |
11 | 205845677 |
12 | 102bb6504 |
13 | 6cc220c6 |
14 | 42419cb2 |
15 | 28803504 |
hex | 1a298a54 |
438930004 has 24 divisors (see below), whose sum is σ = 823616640. Its totient is φ = 203938176.
The previous prime is 438929989. The next prime is 438930049. The reversal of 438930004 is 400039834.
It is a super-2 number, since 2×4389300042 = 385319096822880032, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35482 + ... + 46225.
It is an arithmetic number, because the mean of its divisors is an integer number (34317360).
Almost surely, 2438930004 is an apocalyptic number.
It is an amenable number.
438930004 is a deficient number, since it is larger than the sum of its proper divisors (384686636).
438930004 is a wasteful number, since it uses less digits than its factorization.
438930004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81807 (or 81805 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 438930004 is about 20950.6564097643. The cubic root of 438930004 is about 759.9734547515.
Adding to 438930004 its reverse (400039834), we get a palindrome (838969838).
The spelling of 438930004 in words is "four hundred thirty-eight million, nine hundred thirty thousand, four".
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