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14107728 = 2431931499
BaseRepresentation
bin110101110100…
…010001010000
3222112202011110
4311310101100
512102421403
61222213320
7230625255
oct65642120
928482143
1014107728
117a66388
124884240
132bcc48b
141c3342c
15138a103
hexd74450

14107728 has 80 divisors (see below), whose sum is σ = 39680000. Its totient is φ = 4302720.

The previous prime is 14107727. The next prime is 14107729. The reversal of 14107728 is 82770141.

It is an interprime number because it is at equal distance from previous prime (14107727) and next prime (14107729).

It is a junction number, because it is equal to n+sod(n) for n = 14107695 and 14107704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14107727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28023 + ... + 28521.

It is an arithmetic number, because the mean of its divisors is an integer number (496000).

Almost surely, 214107728 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 14107728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19840000).

14107728 is an abundant number, since it is smaller than the sum of its proper divisors (25572272).

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

14107728 is a wasteful number, since it uses less digits than its factorization.

14107728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 14107728 is about 3756.0255590185. The cubic root of 14107728 is about 241.6308375473.

Adding to 14107728 its reverse (82770141), we get a palindrome (96877869).

The spelling of 14107728 in words is "fourteen million, one hundred seven thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 31 38 48 57 62 76 93 114 124 152 186 228 248 304 372 456 496 499 589 744 912 998 1178 1488 1497 1767 1996 2356 2994 3534 3992 4712 5988 7068 7984 9424 9481 11976 14136 15469 18962 23952 28272 28443 30938 37924 46407 56886 61876 75848 92814 113772 123752 151696 185628 227544 247504 293911 371256 455088 587822 742512 881733 1175644 1763466 2351288 3526932 4702576 7053864 14107728