Search a number
-
+
415788340 = 2251159103311
BaseRepresentation
bin11000110010000…
…110110100110100
31001222101020101011
4120302012310310
51322420211330
6105131442004
713206066622
oct3062066464
91058336334
10415788340
111a3779a30
12b72b6304
13681aba06
143d314512
152678182a
hex18c86d34

415788340 has 96 divisors (see below), whose sum is σ = 981227520. Its totient is φ = 146716800.

The previous prime is 415788301. The next prime is 415788349. The reversal of 415788340 is 43887514.

It is a junction number, because it is equal to n+sod(n) for n = 415788293 and 415788302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415788349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336785 + ... + 1337095.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 2415788340 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 415788340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490613760).

415788340 is an abundant number, since it is smaller than the sum of its proper divisors (565439180).

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

415788340 is a wasteful number, since it uses less digits than its factorization.

415788340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 415788340 is about 20390.8886515522. Note that the first 3 decimals coincide. The cubic root of 415788340 is about 746.3756035851.

The spelling of 415788340 in words is "four hundred fifteen million, seven hundred eighty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 59 103 110 118 206 220 236 295 311 412 515 590 622 649 1030 1133 1180 1244 1298 1555 2060 2266 2596 3110 3245 3421 4532 5665 6077 6220 6490 6842 11330 12154 12980 13684 17105 18349 22660 24308 30385 32033 34210 36698 60770 64066 66847 68420 73396 91745 121540 128132 133694 160165 183490 201839 267388 320330 334235 352363 366980 403678 640660 668470 704726 807356 1009195 1336940 1409452 1761815 1889947 2018390 3523630 3779894 4036780 7047260 7559788 9449735 18899470 20789417 37798940 41578834 83157668 103947085 207894170 415788340