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13282340 = 225664117
BaseRepresentation
bin110010101010…
…110000100100
3220222210221112
4302222300210
511400013330
61152404152
7220620011
oct62526044
926883845
1013282340
117552245
124546658
1329a0896
141a9a708
151275795
hexcaac24

13282340 has 12 divisors (see below), whose sum is σ = 27892956. Its totient is φ = 5312928.

The previous prime is 13282333. The next prime is 13282351. The reversal of 13282340 is 4328231.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 3182656 = 3178^2 + 1784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332039 + ... + 332078.

It is an arithmetic number, because the mean of its divisors is an integer number (2324413).

Almost surely, 213282340 is an apocalyptic number.

13282340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13282340 is an abundant number, since it is smaller than the sum of its proper divisors (14610616).

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

13282340 is a wasteful number, since it uses less digits than its factorization.

13282340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664126 (or 664124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13282340 is about 3644.4944779763. The cubic root of 13282340 is about 236.8235376910.

The spelling of 13282340 in words is "thirteen million, two hundred eighty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 664117 1328234 2656468 3320585 6641170 13282340