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28026358 = 243332363
BaseRepresentation
bin110101011101…
…0010111110110
31221201212221021
41222322113312
524133320413
62440411354
7460135333
oct152722766
957655837
1028026358
1114902688
129476b5a
135a63859
143a1798a
1526d918d
hex1aba5f6

28026358 has 8 divisors (see below), whose sum is σ = 42137928. Its totient is φ = 13980384.

The previous prime is 28026343. The next prime is 28026359. The reversal of 28026358 is 85362082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15316 + ... + 17047.

It is an arithmetic number, because the mean of its divisors is an integer number (5267241).

Almost surely, 228026358 is an apocalyptic number.

28026358 is a deficient number, since it is larger than the sum of its proper divisors (14111570).

28026358 is a wasteful number, since it uses less digits than its factorization.

28026358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32798.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28026358 is about 5293.9926331645. The cubic root of 28026358 is about 303.7541511284.

The spelling of 28026358 in words is "twenty-eight million, twenty-six thousand, three hundred fifty-eight".

Divisors: 1 2 433 866 32363 64726 14013179 28026358