Search a number
-
+
415995216 = 243713131727
BaseRepresentation
bin11000110010111…
…001010101010000
31001222202202011020
4120302321111100
51322443321331
6105140115440
713210621020
oct3062712520
91058682136
10415995216
111a39003aa
12b7395b80
1368251c20
143d369a80
15267c2c96
hex18cb9550

415995216 has 160 divisors (see below), whose sum is σ = 1334581248. Its totient is φ = 108725760.

The previous prime is 415995211. The next prime is 415995221. The reversal of 415995216 is 612599514.

It is an interprime number because it is at equal distance from previous prime (415995211) and next prime (415995221).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415995211) 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, 571845 + ... + 572571.

Almost surely, 2415995216 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 415995216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667290624).

415995216 is an abundant number, since it is smaller than the sum of its proper divisors (918586032).

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

415995216 is a wasteful number, since it uses less digits than its factorization.

415995216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 883 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 415995216 is about 20395.9607765852. The cubic root of 415995216 is about 746.4993697606.

The spelling of 415995216 in words is "four hundred fifteen million, nine hundred ninety-five thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 131 156 168 182 208 262 273 312 336 364 393 524 546 624 727 728 786 917 1048 1092 1454 1456 1572 1703 1834 2096 2181 2184 2751 2908 3144 3406 3668 4362 4368 5089 5109 5502 5816 6288 6812 7336 8724 9451 10178 10218 11004 11632 11921 13624 14672 15267 17448 18902 20356 20436 22008 23842 27248 28353 30534 34896 35763 37804 40712 40872 44016 47684 56706 61068 66157 71526 75608 81424 81744 95237 95368 113412 122136 132314 143052 151216 190474 190736 198471 226824 244272 264628 285711 286104 380948 396942 453648 529256 571422 572208 666659 761896 793884 1058512 1142844 1238081 1333318 1523792 1587768 1999977 2285688 2476162 2666636 3175536 3714243 3999954 4571376 4952324 5333272 7428486 7999908 8666567 9904648 10666544 14856972 15999816 17333134 19809296 25999701 29713944 31999632 34666268 51999402 59427888 69332536 103998804 138665072 207997608 415995216