Base | Representation |
---|---|
bin | 10111001101011… |
… | …000010001010100 |
3 | 1000010200201101221 |
4 | 113031120101110 |
5 | 1244140231002 |
6 | 102345500124 |
7 | 12435463066 |
oct | 2715302124 |
9 | 1003621357 |
10 | 389383252 |
11 | 18a884445 |
12 | aa4a1644 |
13 | 628950bb |
14 | 399dd736 |
15 | 242b7c37 |
hex | 17358454 |
389383252 has 12 divisors (see below), whose sum is σ = 692591956. Its totient is φ = 191499840.
The previous prime is 389383231. The next prime is 389383259. The reversal of 389383252 is 252383983.
It can be written as a sum of positive squares in 2 ways, for example, as 18974736 + 370408516 = 4356^2 + 19246^2 .
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 389383199 and 389383208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389383259) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 797673 + ... + 798160.
Almost surely, 2389383252 is an apocalyptic number.
It is an amenable number.
389383252 is a deficient number, since it is larger than the sum of its proper divisors (303208704).
389383252 is a wasteful number, since it uses less digits than its factorization.
389383252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1595898 (or 1595896 counting only the distinct ones).
The product of its digits is 311040, while the sum is 43.
The square root of 389383252 is about 19732.7963553066. The cubic root of 389383252 is about 730.2290217804.
The spelling of 389383252 in words is "three hundred eighty-nine million, three hundred eighty-three thousand, two hundred fifty-two".
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