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13485800 = 235267429
BaseRepresentation
bin110011011100…
…011011101000
3221101011001002
4303130123220
511423021200
61201014132
7222425126
oct63343350
927334032
1013485800
117681099
124624348
132a42383
141b10916
1512b5bd5
hexcdc6e8

13485800 has 24 divisors (see below), whose sum is σ = 31354950. Its totient is φ = 5394240.

The previous prime is 13485793. The next prime is 13485803. The reversal of 13485800 is 858431.

It can be written as a sum of positive squares in 3 ways, for example, as 5317636 + 8168164 = 2306^2 + 2858^2 .

It is not an unprimeable number, because it can be changed into a prime (13485803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33515 + ... + 33914.

Almost surely, 213485800 is an apocalyptic number.

13485800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13485800 is an abundant number, since it is smaller than the sum of its proper divisors (17869150).

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

13485800 is a wasteful number, since it uses less digits than its factorization.

13485800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67445 (or 67436 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13485800 is about 3672.3017305227. The cubic root of 13485800 is about 238.0266429698.

The spelling of 13485800 in words is "thirteen million, four hundred eighty-five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 67429 134858 269716 337145 539432 674290 1348580 1685725 2697160 3371450 6742900 13485800