Search a number
-
+
1038995828 = 221319980689
BaseRepresentation
bin111101111011011…
…101000101110100
32200102001110022222
4331323131011310
54111440331303
6251033141512
734514214233
oct7573350564
92612043288
101038995828
11493538a42
1224bb5a898
13137341940
149bdbcb1a
1561335938
hex3dedd174

1038995828 has 12 divisors (see below), whose sum is σ = 1958107620. Its totient is φ = 479536512.

The previous prime is 1038995821. The next prime is 1038995831. The reversal of 1038995828 is 8285998301.

It can be written as a sum of positive squares in 2 ways, for example, as 242175844 + 796819984 = 15562^2 + 28228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1038995828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038995821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9990293 + ... + 9990396.

It is an arithmetic number, because the mean of its divisors is an integer number (163175635).

Almost surely, 21038995828 is an apocalyptic number.

It is an amenable number.

1038995828 is a deficient number, since it is larger than the sum of its proper divisors (919111792).

1038995828 is a wasteful number, since it uses less digits than its factorization.

1038995828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980706 (or 19980704 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 1038995828 is about 32233.4582072728. The cubic root of 1038995828 is about 1012.8332134592.

The spelling of 1038995828 in words is "one billion, thirty-eight million, nine hundred ninety-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 19980689 39961378 79922756 259748957 519497914 1038995828