Search a number
-
+
1306848820 = 225175965147
BaseRepresentation
bin100110111100100…
…1110111000110100
310101002001210120011
41031321032320310
510134023130240
6333402150004
744246013604
oct11571167064
93332053504
101306848820
11610755952
123057b2304
1317a995434
14c57c4c04
1579ae46ea
hex4de4ee34

1306848820 has 48 divisors (see below), whose sum is σ = 2955113280. Its totient is φ = 483643904.

The previous prime is 1306848817. The next prime is 1306848863. The reversal of 1306848820 is 288486031.

It is a congruent number.

It is an unprimeable number.

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, 12514 + ... + 52633.

It is an arithmetic number, because the mean of its divisors is an integer number (61564860).

Almost surely, 21306848820 is an apocalyptic number.

1306848820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306848820 is an abundant number, since it is smaller than the sum of its proper divisors (1648264460).

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

1306848820 is a wasteful number, since it uses less digits than its factorization.

1306848820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65232 (or 65230 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1306848820 is about 36150.3640368946. The cubic root of 1306848820 is about 1093.3061305529.

The spelling of 1306848820 in words is "one billion, three hundred six million, eight hundred forty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 59 68 85 118 170 236 295 340 590 1003 1180 2006 4012 5015 10030 20060 65147 130294 260588 325735 651470 1107499 1302940 2214998 3843673 4429996 5537495 7687346 11074990 15374692 19218365 22149980 38436730 65342441 76873460 130684882 261369764 326712205 653424410 1306848820