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14404728 = 23313137337
BaseRepresentation
bin110110111100…
…110001111000
31000002211120110
4312330301320
512141422403
61232424320
7233303202
oct66746170
930084513
1014404728
118149538
1249a80a0
132ca4710
141cad772
1513e8103
hexdbcc78

14404728 has 64 divisors (see below), whose sum is σ = 39180960. Its totient is φ = 4386816.

The previous prime is 14404727. The next prime is 14404751. The reversal of 14404728 is 82740441.

It is a junction number, because it is equal to n+sod(n) for n = 14404695 and 14404704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14404727) 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, 42576 + ... + 42912.

Almost surely, 214404728 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 14404728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19590480).

14404728 is an abundant number, since it is smaller than the sum of its proper divisors (24776232).

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

14404728 is a wasteful number, since it uses less digits than its factorization.

14404728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 14404728 is about 3795.3561097742. The cubic root of 14404728 is about 243.3147034381.

The spelling of 14404728 in words is "fourteen million, four hundred four thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 137 156 274 312 337 411 548 674 822 1011 1096 1348 1644 1781 2022 2696 3288 3562 4044 4381 5343 7124 8088 8762 10686 13143 14248 17524 21372 26286 35048 42744 46169 52572 92338 105144 138507 184676 277014 369352 554028 600197 1108056 1200394 1800591 2400788 3601182 4801576 7202364 14404728