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28460672 = 27222349
BaseRepresentation
bin110110010010…
…0011010000000
31222112221200222
41230210122000
524241220142
62454002212
7463624502
oct154443200
958487628
1028460672
1115079a19
129646368
135b86446
143acbd72
152772bd2
hex1b24680

28460672 has 16 divisors (see below), whose sum is σ = 56699250. Its totient is φ = 14230272.

The previous prime is 28460671. The next prime is 28460681. The reversal of 28460672 is 27606482.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 4096576 = 4936^2 + 2024^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (28460671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111047 + ... + 111302.

Almost surely, 228460672 is an apocalyptic number.

It is an amenable number.

28460672 is a deficient number, since it is larger than the sum of its proper divisors (28238578).

28460672 is an equidigital number, since it uses as much as digits as its factorization.

28460672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222363 (or 222351 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28460672 is about 5334.8544497484. The cubic root of 28460672 is about 305.3151700431.

The spelling of 28460672 in words is "twenty-eight million, four hundred sixty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 222349 444698 889396 1778792 3557584 7115168 14230336 28460672