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28892527 = 317113127
BaseRepresentation
bin110111000110…
…1110101101111
32000100220002121
41232031311233
524344030102
62511133411
7500403526
oct156156557
960326077
1028892527
1115344424
129814267
135ca7b91
143ba14bd
15280ab37
hex1b8dd6f

28892527 has 8 divisors (see below), whose sum is σ = 30246912. Its totient is φ = 27564600.

The previous prime is 28892519. The next prime is 28892533. The reversal of 28892527 is 72529882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28892527 - 23 = 28892519 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 (28892587) 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 7 ways as a sum of consecutive naturals, for example, 4363 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (3780864).

Almost surely, 228892527 is an apocalyptic number.

28892527 is a deficient number, since it is larger than the sum of its proper divisors (1354385).

28892527 is a wasteful number, since it uses less digits than its factorization.

28892527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13229.

The product of its digits is 161280, while the sum is 43.

The square root of 28892527 is about 5375.1769273206. The cubic root of 28892527 is about 306.8516827521.

The spelling of 28892527 in words is "twenty-eight million, eight hundred ninety-two thousand, five hundred twenty-seven".

Divisors: 1 31 71 2201 13127 406937 932017 28892527