Search a number
-
+
389244 = 223163199
BaseRepresentation
bin1011111000001111100
3201202221110
41133001330
544423434
612202020
73210552
oct1370174
9652843
10389244
11246499
12169310
1310822b
14a1bd2
157a4e9
hex5f07c

389244 has 24 divisors (see below), whose sum is σ = 918400. Its totient is φ = 128304.

The previous prime is 389231. The next prime is 389269. The reversal of 389244 is 442983.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857 + ... + 2055.

2389244 is an apocalyptic number.

It is an amenable number.

389244 is an abundant number, since it is smaller than the sum of its proper divisors (529156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389244 is a wasteful number, since it uses less digits than its factorization.

389244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 389244 is about 623.8942218037. The cubic root of 389244 is about 73.0141962758.

The spelling of 389244 in words is "three hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 163 199 326 398 489 597 652 796 978 1194 1956 2388 32437 64874 97311 129748 194622 389244