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20898060 = 2235379919
BaseRepresentation
bin100111110111…
…0000100001100
31110022201202020
41033232010030
520322214220
62023530140
7342426201
oct117560414
943281666
1020898060
1110884027
126bb9950
134439121
142abdca8
151c7c040
hex13ee10c

20898060 has 48 divisors (see below), whose sum is σ = 58732800. Its totient is φ = 5552064.

The previous prime is 20898047. The next prime is 20898091. The reversal of 20898060 is 6089802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22281 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (1223600).

Almost surely, 220898060 is an apocalyptic number.

20898060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20898060 is an abundant number, since it is smaller than the sum of its proper divisors (37834740).

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

20898060 is a wasteful number, since it uses less digits than its factorization.

20898060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

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

The square root of 20898060 is about 4571.4395982010. The cubic root of 20898060 is about 275.4452731261.

The spelling of 20898060 in words is "twenty million, eight hundred ninety-eight thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 379 758 919 1137 1516 1838 1895 2274 2757 3676 3790 4548 4595 5514 5685 7580 9190 11028 11370 13785 18380 22740 27570 55140 348301 696602 1044903 1393204 1741505 2089806 3483010 4179612 5224515 6966020 10449030 20898060