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28425463 = 1119277491
BaseRepresentation
bin110110001101…
…1110011110111
31222111011101221
41230123303313
524234103323
62453131211
7463420033
oct154336367
958434357
1028425463
1115055520
129629b07
135b73401
143abd1c3
15276755d
hex1b1bcf7

28425463 has 16 divisors (see below), whose sum is σ = 32826240. Its totient is φ = 24343200.

The previous prime is 28425431. The next prime is 28425473. The reversal of 28425463 is 36452482.

It is a cyclic number.

It is not a de Polignac number, because 28425463 - 25 = 28425431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57648 + ... + 58138.

It is an arithmetic number, because the mean of its divisors is an integer number (2051640).

Almost surely, 228425463 is an apocalyptic number.

28425463 is a deficient number, since it is larger than the sum of its proper divisors (4400777).

28425463 is a wasteful number, since it uses less digits than its factorization.

28425463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 46080, while the sum is 34.

The square root of 28425463 is about 5331.5535259434. The cubic root of 28425463 is about 305.1892152075.

The spelling of 28425463 in words is "twenty-eight million, four hundred twenty-five thousand, four hundred sixty-three".

Divisors: 1 11 19 209 277 491 3047 5263 5401 9329 57893 102619 136007 1496077 2584133 28425463