Search a number
-
+
1300222404 = 22321322712239
BaseRepresentation
bin100110101111111…
…1101000111000100
310100121121010211100
41031133331013010
510130324104104
6333004140100
744135464605
oct11537750704
93317533740
101300222404
11607a3a378
12303537630
131794b5290
14c497bdac
1579236139
hex4d7fd1c4

1300222404 has 72 divisors (see below), whose sum is σ = 3555377280. Its totient is φ = 398273472.

The previous prime is 1300222393. The next prime is 1300222411. The reversal of 1300222404 is 4042220031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100117 + ... + 112355.

It is an arithmetic number, because the mean of its divisors is an integer number (49380240).

Almost surely, 21300222404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300222404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777688640).

1300222404 is an abundant number, since it is smaller than the sum of its proper divisors (2255154876).

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

1300222404 is a wasteful number, since it uses less digits than its factorization.

1300222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12489 (or 12484 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1300222404 is about 36058.5968113015. The cubic root of 1300222404 is about 1091.4551180103.

Adding to 1300222404 its reverse (4042220031), we get a palindrome (5342442435).

The spelling of 1300222404 in words is "one billion, three hundred million, two hundred twenty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 227 234 454 468 681 908 1362 2043 2724 2951 4086 5902 8172 8853 11804 12239 17706 24478 26559 35412 36717 48956 53118 73434 106236 110151 146868 159107 220302 318214 440604 477321 636428 954642 1431963 1909284 2778253 2863926 5556506 5727852 8334759 11113012 16669518 25004277 33339036 36117289 50008554 72234578 100017108 108351867 144469156 216703734 325055601 433407468 650111202 1300222404