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28034496 = 2632717409
BaseRepresentation
bin110101011110…
…0010111000000
31221202022002200
41222330113000
524134100441
62440513200
7460201140
oct152742700
957668080
1028034496
1114908806
12947b800
135a67479
143a1a920
1526db7b6
hex1abc5c0

28034496 has 168 divisors, whose sum is σ = 97475040. Its totient is φ = 7520256.

The previous prime is 28034491. The next prime is 28034497. The reversal of 28034496 is 69443082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28034496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28034491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68340 + ... + 68748.

Almost surely, 228034496 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 28034496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48737520).

28034496 is an abundant number, since it is smaller than the sum of its proper divisors (69440544).

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

28034496 is a wasteful number, since it uses less digits than its factorization.

28034496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28034496 is about 5294.7611844162. The cubic root of 28034496 is about 303.7835485985.

The spelling of 28034496 in words is "twenty-eight million, thirty-four thousand, four hundred ninety-six".