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1089308004 = 22390775667
BaseRepresentation
bin100000011101101…
…1000010101100100
32210220201120122220
41000323120111210
54212330324004
6300031352340
735664652041
oct10073302544
92726646586
101089308004
11509982254
122649826b0
131448a9165
14a49581c8
1565972dd9
hex40ed8564

1089308004 has 12 divisors (see below), whose sum is σ = 2541718704. Its totient is φ = 363102664.

The previous prime is 1089307987. The next prime is 1089308023. The reversal of 1089308004 is 4008039801.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45387822 + ... + 45387845.

It is an arithmetic number, because the mean of its divisors is an integer number (211809892).

Almost surely, 21089308004 is an apocalyptic number.

It is an amenable number.

1089308004 is an abundant number, since it is smaller than the sum of its proper divisors (1452410700).

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

1089308004 is a wasteful number, since it uses less digits than its factorization.

1089308004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90775674 (or 90775672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1089308004 is about 33004.6663973445. Note that the first 3 decimals coincide. The cubic root of 1089308004 is about 1028.9246337792.

The spelling of 1089308004 in words is "one billion, eighty-nine million, three hundred eight thousand, four".

Divisors: 1 2 3 4 6 12 90775667 181551334 272327001 363102668 544654002 1089308004