Base | Representation |
---|---|
bin | 10111001101111… |
… | …110111001001010 |
3 | 1000010222202102010 |
4 | 113031332321022 |
5 | 1244210311300 |
6 | 102353120350 |
7 | 12440022234 |
oct | 2715767112 |
9 | 1003882363 |
10 | 389541450 |
11 | 18a982291 |
12 | aa5590b6 |
13 | 6291c0cc |
14 | 39a41254 |
15 | 242e9a50 |
hex | 1737ee4a |
389541450 has 24 divisors (see below), whose sum is σ = 966063168. Its totient is φ = 103877680.
The previous prime is 389541433. The next prime is 389541457. The reversal of 389541450 is 54145983.
It is a junction number, because it is equal to n+sod(n) for n = 389541399 and 389541408.
It is not an unprimeable number, because it can be changed into a prime (389541457) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298322 + ... + 1298621.
It is an arithmetic number, because the mean of its divisors is an integer number (40252632).
Almost surely, 2389541450 is an apocalyptic number.
389541450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
389541450 is an abundant number, since it is smaller than the sum of its proper divisors (576521718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389541450 is a wasteful number, since it uses less digits than its factorization.
389541450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2596958 (or 2596953 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 389541450 is about 19736.8044525957. The cubic root of 389541450 is about 730.3279004809.
It can be divided in two parts, 38954 and 1450, that added together give a palindrome (40404).
The spelling of 389541450 in words is "three hundred eighty-nine million, five hundred forty-one thousand, four hundred fifty".
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