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28998862 = 214499431
BaseRepresentation
bin110111010011…
…1110011001110
32000120021221221
41232213303032
524410430422
62513313554
7501325534
oct156476316
960507857
1028998862
1115407302
1298658ba
1360143b9
143bcc154
15282c3c7
hex1ba7cce

28998862 has 4 divisors (see below), whose sum is σ = 43498296. Its totient is φ = 14499430.

The previous prime is 28998847. The next prime is 28998911. The reversal of 28998862 is 26889982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7249714 + ... + 7249717.

It is an arithmetic number, because the mean of its divisors is an integer number (10874574).

Almost surely, 228998862 is an apocalyptic number.

28998862 is a deficient number, since it is larger than the sum of its proper divisors (14499434).

28998862 is a wasteful number, since it uses less digits than its factorization.

28998862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14499433.

The product of its digits is 995328, while the sum is 52.

The square root of 28998862 is about 5385.0591454505. The cubic root of 28998862 is about 307.2276637844.

The spelling of 28998862 in words is "twenty-eight million, nine hundred ninety-eight thousand, eight hundred sixty-two".

Divisors: 1 2 14499431 28998862