Search a number
-
+
389383252 = 22611595833
BaseRepresentation
bin10111001101011…
…000010001010100
31000010200201101221
4113031120101110
51244140231002
6102345500124
712435463066
oct2715302124
91003621357
10389383252
1118a884445
12aa4a1644
13628950bb
14399dd736
15242b7c37
hex17358454

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".

Divisors: 1 2 4 61 122 244 1595833 3191666 6383332 97345813 194691626 389383252