Search a number
-
+
1002688808 = 231111394191
BaseRepresentation
bin111011110000111…
…101000100101000
32120212201212110112
4323300331010220
54023142020213
6243255033452
733563466662
oct7360750450
92525655415
101002688808
11474a9aa40
1223b96b888
1312c96bcb4
149724b532
155d062ea8
hex3bc3d128

1002688808 has 16 divisors (see below), whose sum is σ = 2050954560. Its totient is φ = 455767600.

The previous prime is 1002688807. The next prime is 1002688853. The reversal of 1002688808 is 8088862001.

1002688808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1002688807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5697008 + ... + 5697183.

It is an arithmetic number, because the mean of its divisors is an integer number (128184660).

Almost surely, 21002688808 is an apocalyptic number.

It is an amenable number.

1002688808 is an abundant number, since it is smaller than the sum of its proper divisors (1048265752).

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

1002688808 is a wasteful number, since it uses less digits than its factorization.

1002688808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11394208 (or 11394204 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 1002688808 is about 31665.2618495411. The cubic root of 1002688808 is about 1000.8954672324.

The spelling of 1002688808 in words is "one billion, two million, six hundred eighty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 11 22 44 88 11394191 22788382 45576764 91153528 125336101 250672202 501344404 1002688808