[go: up one dir, main page]

Search a number
-
+
4081080 = 233571479
BaseRepresentation
bin1111100100010110111000
321200100012010
433210112320
52021043310
6223245520
746455123
oct17442670
97610163
104081080
1123381a3
1214498a0
13acb753
147833ba
15559320
hex3e45b8

4081080 has 64 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 1070720.

The previous prime is 4081079. The next prime is 4081111. The reversal of 4081080 is 801804.

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, 8281 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

Almost surely, 24081080 is an apocalyptic number.

4081080 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 4081080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6220800).

4081080 is an abundant number, since it is smaller than the sum of its proper divisors (8360520).

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

4081080 is a wasteful number, since it uses less digits than its factorization.

4081080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 4081080 is about 2020.1683098198. The cubic root of 4081080 is about 159.8054928059.

Adding to 4081080 its reverse (801804), we get a palindrome (4882884).

The spelling of 4081080 in words is "four million, eighty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 479 568 710 852 958 1065 1420 1437 1704 1916 2130 2395 2840 2874 3832 4260 4790 5748 7185 8520 9580 11496 14370 19160 28740 34009 57480 68018 102027 136036 170045 204054 272072 340090 408108 510135 680180 816216 1020270 1360360 2040540 4081080