Search a number
-
+
116213405 = 57111915887
BaseRepresentation
bin1101110110101…
…00011010011101
322002200020211012
412323110122131
5214222312110
615310505005
72610540410
oct673243235
9262606735
10116213405
115a665940
1232b05165
131b0cc539
1411611b77
15a308905
hex6ed469d

116213405 has 32 divisors (see below), whose sum is σ = 183029760. Its totient is φ = 68627520.

The previous prime is 116213387. The next prime is 116213407. The reversal of 116213405 is 504312611.

It is not a de Polignac number, because 116213405 - 26 = 116213341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116213407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629 + ... + 15258.

It is an arithmetic number, because the mean of its divisors is an integer number (5719680).

Almost surely, 2116213405 is an apocalyptic number.

It is an amenable number.

116213405 is a deficient number, since it is larger than the sum of its proper divisors (66816355).

116213405 is a wasteful number, since it uses less digits than its factorization.

116213405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 116213405 is about 10780.2321403576. The cubic root of 116213405 is about 487.9987864455.

The spelling of 116213405 in words is "one hundred sixteen million, two hundred thirteen thousand, four hundred five".

Divisors: 1 5 7 11 19 35 55 77 95 133 209 385 665 1045 1463 7315 15887 79435 111209 174757 301853 556045 873785 1223299 1509265 2112971 3320383 6116495 10564855 16601915 23242681 116213405