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28898467 = 134747297
BaseRepresentation
bin110111000111…
…1010010100011
32000101012020121
41232033102203
524344222332
62511221111
7500430043
oct156172243
960335217
1028898467
1115348934
129817797
135caa7b0
143ba3723
15280c797
hex1b8f4a3

28898467 has 8 divisors (see below), whose sum is σ = 31784256. Its totient is φ = 26107392.

The previous prime is 28898461. The next prime is 28898473. The reversal of 28898467 is 76489882.

It is an interprime number because it is at equal distance from previous prime (28898461) and next prime (28898473).

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 28898467 - 23 = 28898459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28898461) 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, 23038 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (3973032).

Almost surely, 228898467 is an apocalyptic number.

28898467 is a deficient number, since it is larger than the sum of its proper divisors (2885789).

28898467 is a wasteful number, since it uses less digits than its factorization.

28898467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47357.

The product of its digits is 1548288, while the sum is 52.

The square root of 28898467 is about 5375.7294388762. The cubic root of 28898467 is about 306.8727098052.

The spelling of 28898467 in words is "twenty-eight million, eight hundred ninety-eight thousand, four hundred sixty-seven".

Divisors: 1 13 47 611 47297 614861 2222959 28898467