Search a number
-
+
440082140 = 22571793923
BaseRepresentation
bin11010001110110…
…001111011011100
31010200002111012112
4122032301323130
51400130112030
6111400253152
713622431211
oct3216617334
91120074175
10440082140
11206462253
121034711b8
1370236644
1442639b08
152897ea95
hex1a3b1edc

440082140 has 48 divisors (see below), whose sum is σ = 949294080. Its totient is φ = 171312960.

The previous prime is 440082131. The next prime is 440082143. The reversal of 440082140 is 41280044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440082143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110219 + ... + 114141.

It is an arithmetic number, because the mean of its divisors is an integer number (19776960).

Almost surely, 2440082140 is an apocalyptic number.

It is an amenable number.

440082140 is an abundant number, since it is smaller than the sum of its proper divisors (509211940).

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

440082140 is a wasteful number, since it uses less digits than its factorization.

440082140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 440082140 is about 20978.1348074608. The cubic root of 440082140 is about 760.6378186794.

The spelling of 440082140 in words is "four hundred forty million, eighty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 79 142 158 284 316 355 395 710 790 1420 1580 3923 5609 7846 11218 15692 19615 22436 28045 39230 56090 78460 112180 278533 309917 557066 619834 1114132 1239668 1392665 1549585 2785330 3099170 5570660 6198340 22004107 44008214 88016428 110020535 220041070 440082140