Search a number
-
+
318415104 = 283376581
BaseRepresentation
bin10010111110101…
…010000100000000
3211012011011102000
4102332222010000
51123003240404
651332424000
710614324630
oct2276520400
9735134360
10318415104
11153811a87
128a778000
1350c77a07
14304086c0
151ce4a339
hex12faa100

318415104 has 144 divisors (see below), whose sum is σ = 1076288640. Its totient is φ = 90961920.

The previous prime is 318415079. The next prime is 318415171. The reversal of 318415104 is 401514813.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45094 + ... + 51674.

Almost surely, 2318415104 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 318415104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538144320).

318415104 is an abundant number, since it is smaller than the sum of its proper divisors (757873536).

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

318415104 is an equidigital number, since it uses as much as digits as its factorization.

318415104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613 (or 6593 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 318415104 is about 17844.1896425699. The cubic root of 318415104 is about 682.8592867371.

Adding to 318415104 its reverse (401514813), we get a palindrome (719929917).

The spelling of 318415104 in words is "three hundred eighteen million, four hundred fifteen thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 576 672 756 768 864 896 1008 1152 1344 1512 1728 1792 2016 2304 2688 3024 3456 4032 5376 6048 6581 6912 8064 12096 13162 16128 19743 24192 26324 39486 46067 48384 52648 59229 78972 92134 105296 118458 138201 157944 177687 184268 210592 236916 276402 315888 355374 368536 414603 421184 473832 552804 631776 710748 737072 829206 842368 947664 1105608 1243809 1263552 1421496 1474144 1658412 1684736 1895328 2211216 2487618 2527104 2842992 2948288 3316824 3790656 4422432 4975236 5054208 5685984 5896576 6633648 7581312 8844864 9950472 11371968 11793152 13267296 15162624 17689728 19900944 22743936 26534592 35379456 39801888 45487872 53069184 79603776 106138368 159207552 318415104