Search a number
-
+
41025440 = 255436789
BaseRepresentation
bin1001110001111…
…1111110100000
32212012022022202
42130133332200
541000303230
64023152332
71005465461
oct234377640
985168282
1041025440
1121181025
12118a56a8
138665511
14563cd68
153905a45
hex271ffa0

41025440 has 96 divisors (see below), whose sum is σ = 101787840. Its totient is φ = 15611904.

The previous prime is 41025419. The next prime is 41025449. The reversal of 41025440 is 4452014.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (41025449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460916 + ... + 461004.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 241025440 is an apocalyptic number.

41025440 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 41025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50893920).

41025440 is an abundant number, since it is smaller than the sum of its proper divisors (60762400).

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

41025440 is a wasteful number, since it uses less digits than its factorization.

41025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 41025440 is about 6405.1104596252. The cubic root of 41025440 is about 344.8930285173.

Adding to 41025440 its reverse (4452014), we get a palindrome (45477454).

The spelling of 41025440 in words is "forty-one million, twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 67 80 86 89 134 160 172 178 215 268 335 344 356 430 445 536 670 688 712 860 890 1072 1340 1376 1424 1720 1780 2144 2680 2848 2881 3440 3560 3827 5360 5762 5963 6880 7120 7654 10720 11524 11926 14240 14405 15308 19135 23048 23852 28810 29815 30616 38270 46096 47704 57620 59630 61232 76540 92192 95408 115240 119260 122464 153080 190816 230480 238520 256409 306160 460960 477040 512818 612320 954080 1025636 1282045 2051272 2564090 4102544 5128180 8205088 10256360 20512720 41025440