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28093354 = 214994273
BaseRepresentation
bin110101100101…
…0101110101010
31221212021211121
41223022232222
524142441404
62442045454
7460534552
oct153125652
957767747
1028093354
1114948a53
1294a988a
135a881b3
143a34162
1526ede54
hex1acabaa

28093354 has 8 divisors (see below), whose sum is σ = 42423300. Its totient is φ = 13952256.

The previous prime is 28093337. The next prime is 28093361. The reversal of 28093354 is 45339082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23746129 + 4347225 = 4873^2 + 2085^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46839 + ... + 47434.

Almost surely, 228093354 is an apocalyptic number.

28093354 is a deficient number, since it is larger than the sum of its proper divisors (14329946).

28093354 is a wasteful number, since it uses less digits than its factorization.

28093354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94424.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 28093354 is about 5300.3164056498. The cubic root of 28093354 is about 303.9959963115.

The spelling of 28093354 in words is "twenty-eight million, ninety-three thousand, three hundred fifty-four".

Divisors: 1 2 149 298 94273 188546 14046677 28093354