[go: up one dir, main page]

Search a number
-
+
2444500040 = 2351731115963
BaseRepresentation
bin1001000110110100…
…0001110001001000
320022100202110122112
42101231001301020
520001243000130
61042322041452
7114401623163
oct22155016110
96270673575
102444500040
111044947074
125827a9288
132cc599838
14192924ada
15e4916495
hex91b41c48

2444500040 has 64 divisors (see below), whose sum is σ = 6011573760. Its totient is φ = 890588160.

The previous prime is 2444500039. The next prime is 2444500049. The reversal of 2444500040 is 400054442.

It is a junction number, because it is equal to n+sod(n) for n = 2444499979 and 2444500015.

It is not an unprimeable number, because it can be changed into a prime (2444500049) 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, 36902 + ... + 79061.

It is an arithmetic number, because the mean of its divisors is an integer number (93930840).

Almost surely, 22444500040 is an apocalyptic number.

2444500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444500040 is an abundant number, since it is smaller than the sum of its proper divisors (3567073720).

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

2444500040 is a wasteful number, since it uses less digits than its factorization.

2444500040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116022 (or 116018 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2444500040 is about 49441.8854818463. The cubic root of 2444500040 is about 1347.0902192959.

Adding to 2444500040 its reverse (400054442), we get a palindrome (2844554482).

The spelling of 2444500040 in words is "two billion, four hundred forty-four million, five hundred thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 31 34 40 62 68 85 124 136 155 170 248 310 340 527 620 680 1054 1240 2108 2635 4216 5270 10540 21080 115963 231926 463852 579815 927704 1159630 1971371 2319260 3594853 3942742 4638520 7189706 7885484 9856855 14379412 15770968 17974265 19713710 28758824 35948530 39427420 61112501 71897060 78854840 122225002 143794120 244450004 305562505 488900008 611125010 1222250020 2444500040