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28352383 = 312163181
BaseRepresentation
bin110110000100…
…1111101111111
31222100110011021
41230021331333
524224234013
62451405011
7462664003
oct154117577
958313137
1028352383
1115005624
1295b3767
135b49077
143aa0703
152750a8d
hex1b09f7f

28352383 has 12 divisors (see below), whose sum is σ = 29639064. Its totient is φ = 27118800.

The previous prime is 28352377. The next prime is 28352393. The reversal of 28352383 is 38325382.

It is a happy number.

It is not a de Polignac number, because 28352383 - 213 = 28344191 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 (28352333) 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, 156553 + ... + 156733.

It is an arithmetic number, because the mean of its divisors is an integer number (2469922).

Almost surely, 228352383 is an apocalyptic number.

28352383 is a deficient number, since it is larger than the sum of its proper divisors (1286681).

28352383 is a wasteful number, since it uses less digits than its factorization.

28352383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 375 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 28352383 is about 5324.6955781528. The cubic root of 28352383 is about 304.9274502708.

The spelling of 28352383 in words is "twenty-eight million, three hundred fifty-two thousand, three hundred eighty-three".

Divisors: 1 31 163 181 961 5053 5611 29503 156643 173941 914593 28352383