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20422048 = 256191031
BaseRepresentation
bin100110111100…
…1110110100000
31102102112210011
41031321312200
520212001143
62005414304
7335404333
oct115716640
942375704
1020422048
1110589429
126a0a394
13430056a
1429d861a
151bd5e9d
hex1379da0

20422048 has 24 divisors (see below), whose sum is σ = 40309920. Its totient is φ = 10184640.

The previous prime is 20422043. The next prime is 20422079. The reversal of 20422048 is 84022402.

It is not an unprimeable number, because it can be changed into a prime (20422043) by changing a digit.

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, 19293 + ... + 20323.

It is an arithmetic number, because the mean of its divisors is an integer number (1679580).

Almost surely, 220422048 is an apocalyptic number.

It is an amenable number.

20422048 is a deficient number, since it is larger than the sum of its proper divisors (19887872).

20422048 is a wasteful number, since it uses less digits than its factorization.

20422048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 20422048 is about 4519.0760117528. The cubic root of 20422048 is about 273.3378438016.

The spelling of 20422048 in words is "twenty million, four hundred twenty-two thousand, forty-eight".

Divisors: 1 2 4 8 16 32 619 1031 1238 2062 2476 4124 4952 8248 9904 16496 19808 32992 638189 1276378 2552756 5105512 10211024 20422048