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19948492 = 2247106109
BaseRepresentation
bin100110000011…
…0001111001100
31101112111012001
41030012033030
520101322432
61551322044
7331362604
oct114061714
941474161
1019948492
1110295663
126820324
134195b55
142913c04
151b409e7
hex13063cc

19948492 has 12 divisors (see below), whose sum is σ = 35652960. Its totient is φ = 9761936.

The previous prime is 19948451. The next prime is 19948501. The reversal of 19948492 is 29484991.

It is a super-3 number, since 3×199484923 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52867 + ... + 53242.

It is an arithmetic number, because the mean of its divisors is an integer number (2971080).

Almost surely, 219948492 is an apocalyptic number.

It is an amenable number.

19948492 is a deficient number, since it is larger than the sum of its proper divisors (15704468).

19948492 is a wasteful number, since it uses less digits than its factorization.

19948492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106160 (or 106158 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 19948492 is about 4466.3734729644. The cubic root of 19948492 is about 271.2085376254.

The spelling of 19948492 in words is "nineteen million, nine hundred forty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 47 94 188 106109 212218 424436 4987123 9974246 19948492