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28098063 = 337148667
BaseRepresentation
bin110101100101…
…1111000001111
31221212112022000
41223023320033
524143114223
62442123343
7460554360
oct153137017
957775260
1028098063
1114951544
1294b0553
135a8a396
143a35b67
152700543
hex1acbe0f

28098063 has 16 divisors (see below), whose sum is σ = 47573760. Its totient is φ = 16055928.

The previous prime is 28098047. The next prime is 28098097. The reversal of 28098063 is 36089082.

It is not a de Polignac number, because 28098063 - 24 = 28098047 is a prime.

It is a super-2 number, since 2×280980632 = 1579002288703938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28098023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74145 + ... + 74522.

It is an arithmetic number, because the mean of its divisors is an integer number (2973360).

Almost surely, 228098063 is an apocalyptic number.

28098063 is a deficient number, since it is larger than the sum of its proper divisors (19475697).

28098063 is a wasteful number, since it uses less digits than its factorization.

28098063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148683 (or 148677 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 28098063 is about 5300.7606057999. The cubic root of 28098063 is about 304.0129806034.

The spelling of 28098063 in words is "twenty-eight million, ninety-eight thousand, sixty-three".

Divisors: 1 3 7 9 21 27 63 189 148667 446001 1040669 1338003 3122007 4014009 9366021 28098063