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13643060 = 225682153
BaseRepresentation
bin110100000010…
…110100110100
3221200010202112
4310002310310
511443034220
61204230152
7223651454
oct64026464
927603675
1013643060
117779262
12469b358
132a98b22
141b51d64
1512e75c5
hexd02d34

13643060 has 12 divisors (see below), whose sum is σ = 28650468. Its totient is φ = 5457216.

The previous prime is 13643053. The next prime is 13643087. The reversal of 13643060 is 6034631.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 11102224 = 1594^2 + 3332^2 .

It is a super-2 number, since 2×136430602 = 372266172327200, which contains 22 as substring.

It is a congruent number.

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, 341057 + ... + 341096.

It is an arithmetic number, because the mean of its divisors is an integer number (2387539).

Almost surely, 213643060 is an apocalyptic number.

13643060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13643060 is an abundant number, since it is smaller than the sum of its proper divisors (15007408).

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

13643060 is a wasteful number, since it uses less digits than its factorization.

13643060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682162 (or 682160 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13643060 is about 3693.6513100183. The cubic root of 13643060 is about 238.9482915393.

Adding to 13643060 its reverse (6034631), we get a palindrome (19677691).

The spelling of 13643060 in words is "thirteen million, six hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 682153 1364306 2728612 3410765 6821530 13643060