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1081037828 = 221331670619
BaseRepresentation
bin100000001101111…
…0101010000000100
32210100011102010002
41000123311100010
54203221202303
6255134220432
735534445533
oct10033652004
92710142102
101081037828
115052437a2
12262054718
13142c71a70
14a380431a
1564d8c788
hex406f5404

1081037828 has 24 divisors (see below), whose sum is σ = 2103064320. Its totient is φ = 482844960.

The previous prime is 1081037821. The next prime is 1081037833. The reversal of 1081037828 is 8287301801.

It is a junction number, because it is equal to n+sod(n) for n = 1081037791 and 1081037800.

It is not an unprimeable number, because it can be changed into a prime (1081037821) by changing a digit.

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, 333698 + ... + 336921.

It is an arithmetic number, because the mean of its divisors is an integer number (87627680).

Almost surely, 21081037828 is an apocalyptic number.

It is an amenable number.

1081037828 is a deficient number, since it is larger than the sum of its proper divisors (1022026492).

1081037828 is a wasteful number, since it uses less digits than its factorization.

1081037828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670667 (or 670665 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1081037828 is about 32879.1397089401. The cubic root of 1081037828 is about 1026.3141037033.

The spelling of 1081037828 in words is "one billion, eighty-one million, thirty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 670619 1341238 2682476 8718047 17436094 20789189 34872188 41578378 83156756 270259457 540518914 1081037828