Search a number
-
+
189541248 = 2731343883
BaseRepresentation
bin10110100110000…
…10101110000000
3111012122200201020
423103002232000
5342010304443
630450305440
74461034251
oct1323025600
9435580636
10189541248
1197a9a166
1253588280
13303649b0
141b25cb28
1511990583
hexb4c2b80

189541248 has 128 divisors (see below), whose sum is σ = 555434880. Its totient is φ = 56899584.

The previous prime is 189541199. The next prime is 189541267. The reversal of 189541248 is 842145981.

189541248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 214215 + ... + 215097.

It is an arithmetic number, because the mean of its divisors is an integer number (4339335).

Almost surely, 2189541248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189541248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277717440).

189541248 is an abundant number, since it is smaller than the sum of its proper divisors (365893632).

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

189541248 is a wasteful number, since it uses less digits than its factorization.

189541248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 944 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 189541248 is about 13767.3980112438. The cubic root of 189541248 is about 574.4266476362.

It can be divided in two parts, 18954 and 1248, that added together give a palindrome (20202).

The spelling of 189541248 in words is "one hundred eighty-nine million, five hundred forty-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 43 48 52 64 78 86 96 104 128 129 156 172 192 208 258 312 344 384 416 516 559 624 688 832 883 1032 1118 1248 1376 1664 1677 1766 2064 2236 2496 2649 2752 3354 3532 4128 4472 4992 5298 5504 6708 7064 8256 8944 10596 11479 13416 14128 16512 17888 21192 22958 26832 28256 34437 35776 37969 42384 45916 53664 56512 68874 71552 75938 84768 91832 107328 113024 113907 137748 151876 169536 183664 214656 227814 275496 303752 339072 367328 455628 493597 550992 607504 734656 911256 987194 1101984 1215008 1469312 1480791 1822512 1974388 2203968 2430016 2961582 3645024 3948776 4407936 4860032 5923164 7290048 7897552 11846328 14580096 15795104 23692656 31590208 47385312 63180416 94770624 189541248