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13361800 = 235266809
BaseRepresentation
bin110010111110…
…001010001000
3221010211221111
4302332022020
511410034200
61154220104
7221400454
oct62761210
927124844
1013361800
1175a6a11
124584634
1329caaba
141abb664
15128e0ba
hexcbe288

13361800 has 24 divisors (see below), whose sum is σ = 31066650. Its totient is φ = 5344640.

The previous prime is 13361753. The next prime is 13361801. The reversal of 13361800 is 816331.

It can be written as a sum of positive squares in 3 ways, for example, as 6360484 + 7001316 = 2522^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (13361801) 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 5 ways as a sum of consecutive naturals, for example, 33205 + ... + 33604.

Almost surely, 213361800 is an apocalyptic number.

13361800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13361800 is an abundant number, since it is smaller than the sum of its proper divisors (17704850).

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

13361800 is a wasteful number, since it uses less digits than its factorization.

13361800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66825 (or 66816 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13361800 is about 3655.3795972512. The cubic root of 13361800 is about 237.2948551712.

It can be divided in two parts, 13361 and 800, that added together give a square (14161 = 1192).

The spelling of 13361800 in words is "thirteen million, three hundred sixty-one thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 66809 133618 267236 334045 534472 668090 1336180 1670225 2672360 3340450 6680900 13361800