Base | Representation |
---|---|
bin | 11010001010000… |
… | …000010011111000 |
3 | 1010120201220001010 |
4 | 122022000103320 |
5 | 1344320032303 |
6 | 111313353520 |
7 | 13605665466 |
oct | 3212002370 |
9 | 1116656033 |
10 | 438830328 |
11 | 2057877a2 |
12 | 102b688a0 |
13 | 6cbb8921 |
14 | 423d1836 |
15 | 287d3c03 |
hex | 1a2804f8 |
438830328 has 64 divisors (see below), whose sum is σ = 1114283520. Its totient is φ = 144000000.
The previous prime is 438830309. The next prime is 438830347. The reversal of 438830328 is 823038834.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (438830309) and next prime (438830347).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583953 + ... + 584703.
It is an arithmetic number, because the mean of its divisors is an integer number (17410680).
Almost surely, 2438830328 is an apocalyptic number.
It is an amenable number.
438830328 is an abundant number, since it is smaller than the sum of its proper divisors (675453192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438830328 is a wasteful number, since it uses less digits than its factorization.
438830328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 39.
The square root of 438830328 is about 20948.2774470838. The cubic root of 438830328 is about 759.9159232938.
It can be divided in two parts, 4388 and 30328, that added together give a triangular number (34716 = T263).
The spelling of 438830328 in words is "four hundred thirty-eight million, eight hundred thirty thousand, three hundred twenty-eight".
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