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13678410 = 2354789109
BaseRepresentation
bin110100001011…
…011101001010
3221201221020210
4310023131022
512000202120
61205101550
7224156514
oct64133512
927657223
1013678410
1177a2879
1246b78b6
132aabc45
141b60bb4
151302ce0
hexd0b74a

13678410 has 64 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 3497472.

The previous prime is 13678403. The next prime is 13678411. The reversal of 13678410 is 1487631.

It is a happy number.

13678410 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13678411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125436 + ... + 125544.

It is an arithmetic number, because the mean of its divisors is an integer number (534600).

Almost surely, 213678410 is an apocalyptic number.

13678410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13678410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17107200).

13678410 is an abundant number, since it is smaller than the sum of its proper divisors (20535990).

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

13678410 is a wasteful number, since it uses less digits than its factorization.

13678410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13678410 is about 3698.4334521524. The cubic root of 13678410 is about 239.1544900798.

The spelling of 13678410 in words is "thirteen million, six hundred seventy-eight thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 47 89 94 109 141 178 218 235 267 282 327 445 470 534 545 654 705 890 1090 1335 1410 1635 2670 3270 4183 5123 8366 9701 10246 12549 15369 19402 20915 25098 25615 29103 30738 41830 48505 51230 58206 62745 76845 97010 125490 145515 153690 291030 455947 911894 1367841 2279735 2735682 4559470 6839205 13678410