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14038728 = 23311411297
BaseRepresentation
bin110101100011…
…011011001000
3222102020111220
4311203123020
512043214403
61220522040
7230220144
oct65433310
928366456
1014038728
117a19560
124850320
132ba6c52
141c16224
151374953
hexd636c8

14038728 has 64 divisors (see below), whose sum is σ = 39251520. Its totient is φ = 4147200.

The previous prime is 14038709. The next prime is 14038733. The reversal of 14038728 is 82783041.

14038728 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 (33).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10176 + ... + 11472.

It is an arithmetic number, because the mean of its divisors is an integer number (613305).

Almost surely, 214038728 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 14038728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19625760).

14038728 is an abundant number, since it is smaller than the sum of its proper divisors (25212792).

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

14038728 is a wasteful number, since it uses less digits than its factorization.

14038728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 14038728 is about 3746.8290593514. The cubic root of 14038728 is about 241.2362598777.

The spelling of 14038728 in words is "fourteen million, thirty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 41 44 66 82 88 123 132 164 246 264 328 451 492 902 984 1297 1353 1804 2594 2706 3608 3891 5188 5412 7782 10376 10824 14267 15564 28534 31128 42801 53177 57068 85602 106354 114136 159531 171204 212708 319062 342408 425416 584947 638124 1169894 1276248 1754841 2339788 3509682 4679576 7019364 14038728