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28448704 = 26538387
BaseRepresentation
bin110110010000…
…1011111000000
31222112100021201
41230201133000
524240324304
62453430544
7463544554
oct154413700
958470251
1028448704
1115070a29
12963b454
135b80b6b
143ac7864
15276e3a4
hex1b217c0

28448704 has 28 divisors (see below), whose sum is σ = 57524904. Its totient is φ = 13954304.

The previous prime is 28448699. The next prime is 28448741. The reversal of 28448704 is 40784482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802 + ... + 7585.

Almost surely, 228448704 is an apocalyptic number.

It is an amenable number.

28448704 is an abundant number, since it is smaller than the sum of its proper divisors (29076200).

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

28448704 is an equidigital number, since it uses as much as digits as its factorization.

28448704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452 (or 8442 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 28448704 is about 5333.7326517177. The cubic root of 28448704 is about 305.2723680055.

The spelling of 28448704 in words is "twenty-eight million, four hundred forty-eight thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1696 3392 8387 16774 33548 67096 134192 268384 444511 536768 889022 1778044 3556088 7112176 14224352 28448704