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20498896 = 2411116471
BaseRepresentation
bin100111000110…
…0100111010000
31102120110012101
41032030213100
520221431041
62011210144
7336144355
oct116144720
942513171
1020498896
1110631140
126a46954
134329532
142a1862c
151bedb31
hex138c9d0

20498896 has 20 divisors (see below), whose sum is σ = 43327584. Its totient is φ = 9317600.

The previous prime is 20498887. The next prime is 20498897. The reversal of 20498896 is 69889402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20498897) 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 3 ways as a sum of consecutive naturals, for example, 58060 + ... + 58411.

Almost surely, 220498896 is an apocalyptic number.

It is an amenable number.

20498896 is an abundant number, since it is smaller than the sum of its proper divisors (22828688).

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

20498896 is a wasteful number, since it uses less digits than its factorization.

20498896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116490 (or 116484 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 20498896 is about 4527.5706510225. The cubic root of 20498896 is about 273.6802706689.

The spelling of 20498896 in words is "twenty million, four hundred ninety-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 116471 232942 465884 931768 1281181 1863536 2562362 5124724 10249448 20498896