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28836467 = 117873331
BaseRepresentation
bin110111000000…
…0001001110011
32000021001012022
41232000021303
524340231332
62510022055
7500051222
oct156001163
960231168
1028836467
11153062a0
1297a792b
135c884ca
143b88cb9
1527e9212
hex1b80273

28836467 has 8 divisors (see below), whose sum is σ = 31507392. Its totient is φ = 26173800.

The previous prime is 28836463. The next prime is 28836473. The reversal of 28836467 is 76463882.

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 28836467 - 22 = 28836463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28836461) 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 7 ways as a sum of consecutive naturals, for example, 6992 + ... + 10322.

It is an arithmetic number, because the mean of its divisors is an integer number (3938424).

Almost surely, 228836467 is an apocalyptic number.

28836467 is a deficient number, since it is larger than the sum of its proper divisors (2670925).

28836467 is a wasteful number, since it uses less digits than its factorization.

28836467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its digits is 387072, while the sum is 44.

The square root of 28836467 is about 5369.9596832751. The cubic root of 28836467 is about 306.6530934184.

The spelling of 28836467 in words is "twenty-eight million, eight hundred thirty-six thousand, four hundred sixty-seven".

Divisors: 1 11 787 3331 8657 36641 2621497 28836467