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224206980 = 22353736783
BaseRepresentation
bin11010101110100…
…10000010000100
3120121212220011020
431113102002010
5424344110410
634125311140
75361504444
oct1527220204
9517786136
10224206980
11105617028
12631054b0
13375b156a
1421ac4124
1514a3ba70
hexd5d2084

224206980 has 24 divisors (see below), whose sum is σ = 627779712. Its totient is φ = 59788512.

The previous prime is 224206963. The next prime is 224206993. The reversal of 224206980 is 89602422.

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 7 ways as a sum of consecutive naturals, for example, 1868332 + ... + 1868451.

It is an arithmetic number, because the mean of its divisors is an integer number (26157488).

Almost surely, 2224206980 is an apocalyptic number.

224206980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224206980 is an abundant number, since it is smaller than the sum of its proper divisors (403572732).

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

224206980 is a wasteful number, since it uses less digits than its factorization.

224206980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736795 (or 3736793 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 224206980 is about 14973.5426669843. The cubic root of 224206980 is about 607.5047942855.

The spelling of 224206980 in words is "two hundred twenty-four million, two hundred six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3736783 7473566 11210349 14947132 18683915 22420698 37367830 44841396 56051745 74735660 112103490 224206980