Base | Representation |
---|---|
bin | 10111001101010… |
… | …101001001010000 |
3 | 1000010200001211201 |
4 | 113031111021100 |
5 | 1244134323243 |
6 | 102345320544 |
7 | 12435410545 |
oct | 2715251120 |
9 | 1003601751 |
10 | 389370448 |
11 | 18a875865 |
12 | aa496154 |
13 | 6288c31c |
14 | 399d8bcc |
15 | 242b404d |
hex | 17355250 |
389370448 has 40 divisors (see below), whose sum is σ = 801966528. Its totient is φ = 182502912.
The previous prime is 389370437. The next prime is 389370467. The reversal of 389370448 is 844073983.
It is a junction number, because it is equal to n+sod(n) for n = 389370398 and 389370407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68815 + ... + 74257.
Almost surely, 2389370448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 389370448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400983264).
389370448 is an abundant number, since it is smaller than the sum of its proper divisors (412596080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389370448 is a wasteful number, since it uses less digits than its factorization.
389370448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5731 (or 5725 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 46.
The square root of 389370448 is about 19732.4719181353. The cubic root of 389370448 is about 730.2210177083.
The spelling of 389370448 in words is "three hundred eighty-nine million, three hundred seventy thousand, four hundred forty-eight".
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