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28050583 = 112231823
BaseRepresentation
bin110101100000…
…0010010010111
31221210010011111
41223000102113
524140104313
62441115451
7460266061
oct153002227
957703144
1028050583
1114919900
129488b87
135a718a2
143a22731
1526e143d
hex1ac0497

28050583 has 6 divisors (see below), whose sum is σ = 30832592. Its totient is φ = 25500420.

The previous prime is 28050563. The next prime is 28050599. The reversal of 28050583 is 38505082.

It is not a de Polignac number, because 28050583 - 217 = 27919511 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 (28050563) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 115791 + ... + 116032.

Almost surely, 228050583 is an apocalyptic number.

28050583 is a deficient number, since it is larger than the sum of its proper divisors (2782009).

28050583 is a wasteful number, since it uses less digits than its factorization.

28050583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231845 (or 231834 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 28050583 is about 5296.2801096619. The cubic root of 28050583 is about 303.8416440664.

The spelling of 28050583 in words is "twenty-eight million, fifty thousand, five hundred eighty-three".

Divisors: 1 11 121 231823 2550053 28050583