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20085344 = 25627667
BaseRepresentation
bin100110010011…
…1101001100000
31101210102220122
41030213221200
520120212334
61554255412
7332502566
oct114475140
941712818
1020085344
1110379464
126887568
134213226
14294ba36
151b6b32e
hex1327a60

20085344 has 12 divisors (see below), whose sum is σ = 39543084. Its totient is φ = 10042656.

The previous prime is 20085323. The next prime is 20085353. The reversal of 20085344 is 44358002.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 313802 + ... + 313865.

It is an arithmetic number, because the mean of its divisors is an integer number (3295257).

Almost surely, 220085344 is an apocalyptic number.

It is an amenable number.

20085344 is a deficient number, since it is larger than the sum of its proper divisors (19457740).

20085344 is an equidigital number, since it uses as much as digits as its factorization.

20085344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627677 (or 627669 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20085344 is about 4481.6675467955. The cubic root of 20085344 is about 271.8273125326.

The spelling of 20085344 in words is "twenty million, eighty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 627667 1255334 2510668 5021336 10042672 20085344