Search a number
-
+
8749474086 = 231606990749
BaseRepresentation
bin10000010011000001…
…00110000100100110
3211120202200100001210
420021200212010212
5120404331132321
64004111332250
7426551205543
oct101140460446
924522610053
108749474086
11378a939421
121842221086
13a958b5402
145d003dbca
153631e1b76
hex209826126

8749474086 has 16 divisors (see below), whose sum is σ = 17500230000. Its totient is φ = 2916277728.

The previous prime is 8749474049. The next prime is 8749474093. The reversal of 8749474086 is 6804749478.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 51040 + ... + 141788.

It is an arithmetic number, because the mean of its divisors is an integer number (1093764375).

Almost surely, 28749474086 is an apocalyptic number.

8749474086 is an abundant number, since it is smaller than the sum of its proper divisors (8750755914).

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

8749474086 is a wasteful number, since it uses less digits than its factorization.

8749474086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106823.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The square root of 8749474086 is about 93538.6234985313. The cubic root of 8749474086 is about 2060.6013644745.

The spelling of 8749474086 in words is "eight billion, seven hundred forty-nine million, four hundred seventy-four thousand, eighty-six".

Divisors: 1 2 3 6 16069 32138 48207 90749 96414 181498 272247 544494 1458245681 2916491362 4374737043 8749474086