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10785980 = 2253131723
BaseRepresentation
bin101001001001…
…010010111100
3202021222120202
4221021102330
510230122410
61023103032
7160452002
oct51112274
922258522
1010785980
1160a7737
123741a78
13230854a
14160aa72
15e30ca5
hexa494bc

10785980 has 24 divisors (see below), whose sum is σ = 22736112. Its totient is φ = 4298112.

The previous prime is 10785953. The next prime is 10785989. The reversal of 10785980 is 8958701.

10785980 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10785989) 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 7 ways as a sum of consecutive naturals, for example, 5399 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (947338).

Almost surely, 210785980 is an apocalyptic number.

10785980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10785980 is an abundant number, since it is smaller than the sum of its proper divisors (11950132).

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

10785980 is a wasteful number, since it uses less digits than its factorization.

10785980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 10785980 is about 3284.2015772483. The cubic root of 10785980 is about 220.9462001266.

The spelling of 10785980 in words is "ten million, seven hundred eighty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 1723 3130 3446 6260 6892 8615 17230 34460 539299 1078598 2157196 2696495 5392990 10785980