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28275674 = 27732379
BaseRepresentation
bin110101111011…
…1001111011010
31222012112221012
41223313033122
524214310144
62450013522
7462224240
oct153671732
958175835
1028275674
1114a62a29
1295772a2
135b2018b
143a80790
152737e9e
hex1af73da

28275674 has 24 divisors (see below), whose sum is σ = 49275360. Its totient is φ = 11920608.

The previous prime is 28275673. The next prime is 28275677. The reversal of 28275674 is 47657282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28275673) 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 11 ways as a sum of consecutive naturals, for example, 74417 + ... + 74795.

It is an arithmetic number, because the mean of its divisors is an integer number (2053140).

Almost surely, 228275674 is an apocalyptic number.

28275674 is a deficient number, since it is larger than the sum of its proper divisors (20999686).

28275674 is an equidigital number, since it uses as much as digits as its factorization.

28275674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 461 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 28275674 is about 5317.4875646305. The cubic root of 28275674 is about 304.6522023138.

The spelling of 28275674 in words is "twenty-eight million, two hundred seventy-five thousand, six hundred seventy-four".

Divisors: 1 2 7 14 73 146 379 511 758 1022 2653 5306 5329 10658 27667 37303 55334 74606 193669 387338 2019691 4039382 14137837 28275674