Search a number
-
+
1444680 = 233254013
BaseRepresentation
bin101100000101101001000
32201101201200
411200231020
5332212210
650544200
715164616
oct5405510
92641650
101444680
118a7456
12598060
133b7753
142986b6
151d80c0
hex160b48

1444680 has 48 divisors (see below), whose sum is σ = 4696380. Its totient is φ = 385152.

The previous prime is 1444679. The next prime is 1444687. The reversal of 1444680 is 864441.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 19044 = 1194^2 + 138^2 .

It is not an unprimeable number, because it can be changed into a prime (1444687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647 + ... + 2366.

21444680 is an apocalyptic number.

1444680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444680 is an abundant number, since it is smaller than the sum of its proper divisors (3251700).

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

1444680 is a wasteful number, since it uses less digits than its factorization.

1444680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1444680 is about 1201.9484181944. The cubic root of 1444680 is about 113.0465258590.

The spelling of 1444680 in words is "one million, four hundred forty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 4013 8026 12039 16052 20065 24078 32104 36117 40130 48156 60195 72234 80260 96312 120390 144468 160520 180585 240780 288936 361170 481560 722340 1444680