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28735483 = 74105069
BaseRepresentation
bin110110110011…
…1011111111011
32000001220200011
41231213133323
524324013413
62503522351
7466150630
oct155473773
960056604
1028735483
1115247437
1297593b7
135c5155a
143b60187
1527c933d
hex1b677fb

28735483 has 4 divisors (see below), whose sum is σ = 32840560. Its totient is φ = 24630408.

The previous prime is 28735477. The next prime is 28735493. The reversal of 28735483 is 38453782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28735483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28735403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052528 + ... + 2052541.

It is an arithmetic number, because the mean of its divisors is an integer number (8210140).

Almost surely, 228735483 is an apocalyptic number.

28735483 is a deficient number, since it is larger than the sum of its proper divisors (4105077).

28735483 is an equidigital number, since it uses as much as digits as its factorization.

28735483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105076.

The product of its digits is 161280, while the sum is 40.

The square root of 28735483 is about 5360.5487592223. The cubic root of 28735483 is about 306.2947130050.

The spelling of 28735483 in words is "twenty-eight million, seven hundred thirty-five thousand, four hundred eighty-three".

Divisors: 1 7 4105069 28735483