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28590063 = 324673863
BaseRepresentation
bin110110100001…
…1111111101111
31222210112012020
41231003333233
524304340223
62500441223
7465003645
oct155037757
958715166
1028590063
1115158157
1296a9213
135c002c8
143b23195
15279b1e3
hex1b43fef

28590063 has 8 divisors (see below), whose sum is σ = 38145408. Its totient is φ = 19047384.

The previous prime is 28590047. The next prime is 28590101. The reversal of 28590063 is 36009582.

It is a happy number.

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

It is not a de Polignac number, because 28590063 - 24 = 28590047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28590013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5470 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (4768176).

Almost surely, 228590063 is an apocalyptic number.

28590063 is a deficient number, since it is larger than the sum of its proper divisors (9555345).

28590063 is a wasteful number, since it uses less digits than its factorization.

28590063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 28590063 is about 5346.9676453108. The cubic root of 28590063 is about 305.7771563068. Note that the first 3 decimals are identical.

The spelling of 28590063 in words is "twenty-eight million, five hundred ninety thousand, sixty-three".

Divisors: 1 3 2467 3863 7401 11589 9530021 28590063