Search a number
-
+
450301040 = 24573125939
BaseRepresentation
bin11010110101110…
…000110001110000
31011101022122220022
4122311300301300
51410234113130
6112403303012
714105332010
oct3265606160
91141278808
10450301040
11211201922
1210697aa68
13723a3a27
1443b39c40
15297ec7e5
hex1ad70c70

450301040 has 80 divisors (see below), whose sum is σ = 1235159040. Its totient is φ = 149402880.

The previous prime is 450301013. The next prime is 450301051. The reversal of 450301040 is 40103054.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4391 + ... + 30329.

It is an arithmetic number, because the mean of its divisors is an integer number (15439488).

Almost surely, 2450301040 is an apocalyptic number.

450301040 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 450301040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617579520).

450301040 is an abundant number, since it is smaller than the sum of its proper divisors (784858000).

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

450301040 is a wasteful number, since it uses less digits than its factorization.

450301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25990 (or 25984 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 450301040 is about 21220.2978301437. The cubic root of 450301040 is about 766.4802756295.

Adding to 450301040 its reverse (40103054), we get a palindrome (490404094).

The spelling of 450301040 in words is "four hundred fifty million, three hundred one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 25939 51878 103756 129695 181573 207512 259390 363146 415024 518780 726292 804109 907865 1037560 1452584 1608218 1815730 2075120 2905168 3216436 3631460 4020545 5628763 6432872 7262920 8041090 11257526 12865744 14525840 16082180 22515052 28143815 32164360 45030104 56287630 64328720 90060208 112575260 225150520 450301040