Search a number
-
+
8064754940 = 2251141894097
BaseRepresentation
bin1111000001011001…
…00110010011111100
3202211001020222222102
413200230212103330
5113004034124230
63412131404232
7403565200034
oct74054462374
922731228872
108064754940
113469386830
121690a53678
139b6a96458
145671228c4
1532303c045
hex1e0b264fc

8064754940 has 48 divisors (see below), whose sum is σ = 18926266464. Its totient is φ = 2861107200.

The previous prime is 8064754939. The next prime is 8064754949. The reversal of 8064754940 is 494574608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064754949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438029 + ... + 456068.

It is an arithmetic number, because the mean of its divisors is an integer number (394297218).

Almost surely, 28064754940 is an apocalyptic number.

It is an amenable number.

8064754940 is an abundant number, since it is smaller than the sum of its proper divisors (10861511524).

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

8064754940 is a wasteful number, since it uses less digits than its factorization.

8064754940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894158 (or 894156 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 8064754940 is about 89803.9806467397. The cubic root of 8064754940 is about 2005.3817503919.

The spelling of 8064754940 in words is "eight billion, sixty-four million, seven hundred fifty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 41 44 55 82 110 164 205 220 410 451 820 902 1804 2255 4510 9020 894097 1788194 3576388 4470485 8940970 9835067 17881940 19670134 36657977 39340268 49175335 73315954 98350670 146631908 183289885 196701340 366579770 403237747 733159540 806475494 1612950988 2016188735 4032377470 8064754940