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13678448 = 247273239
BaseRepresentation
bin110100001011…
…011101110000
3221201221022012
4310023131300
512000202243
61205102052
7224156600
oct64133560
927657265
1013678448
1177a2903
1246b7928
132aabc74
141b60c00
151302d18
hexd0b770

13678448 has 60 divisors (see below), whose sum is σ = 31381920. Its totient is φ = 5757696.

The previous prime is 13678447. The next prime is 13678453. The reversal of 13678448 is 84487631.

13678448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13678447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57113 + ... + 57351.

It is an arithmetic number, because the mean of its divisors is an integer number (523032).

Almost surely, 213678448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13678448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15690960).

13678448 is an abundant number, since it is smaller than the sum of its proper divisors (17703472).

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

13678448 is a wasteful number, since it uses less digits than its factorization.

13678448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 321 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 13678448 is about 3698.4385894591. The cubic root of 13678448 is about 239.1547115447.

The spelling of 13678448 in words is "thirteen million, six hundred seventy-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 73 98 112 146 196 239 292 392 478 511 584 784 956 1022 1168 1673 1912 2044 3346 3577 3824 4088 6692 7154 8176 11711 13384 14308 17447 23422 26768 28616 34894 46844 57232 69788 93688 122129 139576 187376 244258 279152 488516 854903 977032 1709806 1954064 3419612 6839224 13678448