[go: up one dir, main page]

Search a number
-
+
1331341004 = 227317321011
BaseRepresentation
bin100111101011010…
…1010011011001100
310102210011010112002
41033112222123030
510211310403004
6340035131432
744664132440
oct11726523314
93383133462
101331341004
11623564224
12311a43b78
13182a8c456
14c8b5c820
157bd3161e
hex4f5aa6cc

1331341004 has 48 divisors (see below), whose sum is σ = 2786359296. Its totient is φ = 544579200.

The previous prime is 1331340977. The next prime is 1331341007. The reversal of 1331341004 is 4001431331.

It is not an unprimeable number, because it can be changed into a prime (1331341007) 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, 52859 + ... + 73869.

It is an arithmetic number, because the mean of its divisors is an integer number (58049152).

Almost surely, 21331341004 is an apocalyptic number.

1331341004 is a gapful number since it is divisible by the number (14) 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 1331341004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393179648).

1331341004 is an abundant number, since it is smaller than the sum of its proper divisors (1455018292).

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

1331341004 is a wasteful number, since it uses less digits than its factorization.

1331341004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21126 (or 21124 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1331341004 is about 36487.5458752709. The cubic root of 1331341004 is about 1100.0939324744.

Adding to 1331341004 its reverse (4001431331), we get a palindrome (5332772335).

The spelling of 1331341004 in words is "one billion, three hundred thirty-one million, three hundred forty-one thousand, four".

Divisors: 1 2 4 7 14 28 31 62 73 124 146 217 292 434 511 868 1022 2044 2263 4526 9052 15841 21011 31682 42022 63364 84044 147077 294154 588308 651341 1302682 1533803 2605364 3067606 4559387 6135212 9118774 10736621 18237548 21473242 42946484 47547893 95095786 190191572 332835251 665670502 1331341004