Base | Representation |
---|---|
bin | 10111001101101… |
… | …001101111011110 |
3 | 1000010211100120101 |
4 | 113031221233132 |
5 | 1244200023224 |
6 | 102351211314 |
7 | 12436211530 |
oct | 2715515736 |
9 | 1003740511 |
10 | 389454814 |
11 | 18a923191 |
12 | aa516b3a |
13 | 628bb848 |
14 | 39a1b850 |
15 | 242ce044 |
hex | 17369bde |
389454814 has 16 divisors (see below), whose sum is σ = 696665088. Its totient is φ = 159652152.
The previous prime is 389454803. The next prime is 389454823. The reversal of 389454814 is 418454983.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604422 + ... + 605065.
It is an arithmetic number, because the mean of its divisors is an integer number (43541568).
Almost surely, 2389454814 is an apocalyptic number.
389454814 is a deficient number, since it is larger than the sum of its proper divisors (307210274).
389454814 is a wasteful number, since it uses less digits than its factorization.
389454814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209519.
The product of its digits is 552960, while the sum is 46.
The square root of 389454814 is about 19734.6095476956. The cubic root of 389454814 is about 730.2737535864.
The spelling of 389454814 in words is "three hundred eighty-nine million, four hundred fifty-four thousand, eight hundred fourteen".
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