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1090592988 = 22390882749
BaseRepresentation
bin100000100000001…
…0010000011011100
32211000010212022220
41001000102003130
54213142433423
6300115105340
736011613252
oct10100220334
92730125286
101090592988
1150a67a721
122652a2250
13144c38cc4
14a4bb05d2
1565b289e3
hex410120dc

1090592988 has 12 divisors (see below), whose sum is σ = 2544717000. Its totient is φ = 363530992.

The previous prime is 1090592983. The next prime is 1090593011. The reversal of 1090592988 is 8892950901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1090592988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090592983) 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, 45441363 + ... + 45441386.

It is an arithmetic number, because the mean of its divisors is an integer number (212059750).

Almost surely, 21090592988 is an apocalyptic number.

It is an amenable number.

1090592988 is an abundant number, since it is smaller than the sum of its proper divisors (1454124012).

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

1090592988 is a wasteful number, since it uses less digits than its factorization.

1090592988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90882756 (or 90882754 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 1090592988 is about 33024.1273616730. The cubic root of 1090592988 is about 1029.3290593847.

The spelling of 1090592988 in words is "one billion, ninety million, five hundred ninety-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 90882749 181765498 272648247 363530996 545296494 1090592988