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28533027 = 353179453
BaseRepresentation
bin110110011011…
…0000100100011
31222200121221210
41230312010203
524301024102
62455321203
7464345445
oct154660443
958617853
1028533027
1115119316
129680203
135bb0363
143b0a495
15278936c
hex1b36123

28533027 has 8 divisors (see below), whose sum is σ = 38762064. Its totient is φ = 18663008.

The previous prime is 28533017. The next prime is 28533047. The reversal of 28533027 is 72033582.

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 28533027 - 27 = 28532899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28532985 and 28533003.

It is not an unprimeable number, because it can be changed into a prime (28533017) 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, 89568 + ... + 89885.

It is an arithmetic number, because the mean of its divisors is an integer number (4845258).

Almost surely, 228533027 is an apocalyptic number.

28533027 is a deficient number, since it is larger than the sum of its proper divisors (10229037).

28533027 is a wasteful number, since it uses less digits than its factorization.

28533027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179509.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 28533027 is about 5341.6314923439. The cubic root of 28533027 is about 305.5736833224.

The spelling of 28533027 in words is "twenty-eight million, five hundred thirty-three thousand, twenty-seven".

Divisors: 1 3 53 159 179453 538359 9511009 28533027