Search a number
-
+
40189160 = 23511241379
BaseRepresentation
bin1001100101001…
…1110011101000
32210121211011102
42121103303220
540242023120
63553220532
7665413364
oct231236350
983554142
1040189160
112075a790
1211561748
13843198b
1454a22a4
1537dcd75
hex2653ce8

40189160 has 64 divisors (see below), whose sum is σ = 99316800. Its totient is φ = 14515200.

The previous prime is 40189147. The next prime is 40189187. The reversal of 40189160 is 6198104.

40189160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 105851 + ... + 106229.

It is an arithmetic number, because the mean of its divisors is an integer number (1551825).

Almost surely, 240189160 is an apocalyptic number.

40189160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40189160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49658400).

40189160 is an abundant number, since it is smaller than the sum of its proper divisors (59127640).

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

40189160 is a wasteful number, since it uses less digits than its factorization.

40189160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 40189160 is about 6339.4920932201. The cubic root of 40189160 is about 342.5334401789.

The spelling of 40189160 in words is "forty million, one hundred eighty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 241 379 440 482 758 964 1205 1516 1895 1928 2410 2651 3032 3790 4169 4820 5302 7580 8338 9640 10604 13255 15160 16676 20845 21208 26510 33352 41690 53020 83380 91339 106040 166760 182678 365356 456695 730712 913390 1004729 1826780 2009458 3653560 4018916 5023645 8037832 10047290 20094580 40189160