Search a number
-
+
444831000 = 23353295113
BaseRepresentation
bin11010100000111…
…001010100011000
31011000000202102020
4122200321110120
51402334043000
6112050134440
714011000245
oct3240712430
91130022366
10444831000
11209106129
12104b81420
137120a013
14431145cc
15290bbba0
hex1a839518

444831000 has 128 divisors (see below), whose sum is σ = 1436011200. Its totient is φ = 114508800.

The previous prime is 444830999. The next prime is 444831047. The reversal of 444831000 is 138444.

It is a super-2 number, since 2×4448310002 = 395749237122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84444 + ... + 89556.

Almost surely, 2444831000 is an apocalyptic number.

444831000 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 444831000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718005600).

444831000 is an abundant number, since it is smaller than the sum of its proper divisors (991180200).

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

444831000 is a wasteful number, since it uses less digits than its factorization.

444831000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 444831000 is about 21091.0170451783. The cubic root of 444831000 is about 763.3640120814.

Adding to 444831000 its reverse (138444), we get a palindrome (444969444).

The spelling of 444831000 in words is "four hundred forty-four million, eight hundred thirty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 29 30 40 50 58 60 75 87 100 116 120 125 145 150 174 200 232 250 290 300 348 375 435 500 580 600 696 725 750 870 1000 1160 1450 1500 1740 2175 2900 3000 3480 3625 4350 5113 5800 7250 8700 10226 10875 14500 15339 17400 20452 21750 25565 29000 30678 40904 43500 51130 61356 76695 87000 102260 122712 127825 148277 153390 204520 255650 296554 306780 383475 444831 511300 593108 613560 639125 741385 766950 889662 1022600 1186216 1278250 1482770 1533900 1779324 1917375 2224155 2556500 2965540 3067800 3558648 3706925 3834750 4448310 5113000 5931080 7413850 7669500 8896620 11120775 14827700 15339000 17793240 18534625 22241550 29655400 37069250 44483100 55603875 74138500 88966200 111207750 148277000 222415500 444831000