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13740860 = 2257611609
BaseRepresentation
bin110100011010…
…101100111100
3221212002220202
4310122230330
512004201420
61210303032
7224536550
oct64325474
927762822
1013740860
117835791
124727a78
132b014b3
141b79860
151316575
hexd1ab3c

13740860 has 48 divisors (see below), whose sum is σ = 33539520. Its totient is φ = 4631040.

The previous prime is 13740841. The next prime is 13740869. The reversal of 13740860 is 6804731.

It is a super-2 number, since 2×137408602 = 377622467079200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740869) 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 15 ways as a sum of consecutive naturals, for example, 7736 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (698740).

Almost surely, 213740860 is an apocalyptic number.

13740860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13740860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16769760).

13740860 is an abundant number, since it is smaller than the sum of its proper divisors (19798660).

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

13740860 is a wasteful number, since it uses less digits than its factorization.

13740860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13740860 is about 3706.8666013225. The cubic root of 13740860 is about 239.5178979626.

The spelling of 13740860 in words is "thirteen million, seven hundred forty thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 305 427 610 854 1220 1609 1708 2135 3218 4270 6436 8045 8540 11263 16090 22526 32180 45052 56315 98149 112630 196298 225260 392596 490745 687043 981490 1374086 1962980 2748172 3435215 6870430 13740860