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28134354 = 2317275827
BaseRepresentation
bin110101101010…
…0101111010010
31221221101002010
41223110233102
524200244404
62443003350
7461065233
oct153245722
957841063
1028134354
1114976836
129509556
135aa0a61
143a4508a
15270b189
hex1ad4bd2

28134354 has 16 divisors (see below), whose sum is σ = 59578848. Its totient is φ = 8826432.

The previous prime is 28134331. The next prime is 28134367. The reversal of 28134354 is 45343182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137812 + ... + 138015.

It is an arithmetic number, because the mean of its divisors is an integer number (3723678).

Almost surely, 228134354 is an apocalyptic number.

28134354 is an abundant number, since it is smaller than the sum of its proper divisors (31444494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28134354 is a wasteful number, since it uses less digits than its factorization.

28134354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275849.

The product of its digits is 11520, while the sum is 30.

The square root of 28134354 is about 5304.1826891615. The cubic root of 28134354 is about 304.1438103632.

The spelling of 28134354 in words is "twenty-eight million, one hundred thirty-four thousand, three hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 275827 551654 827481 1654962 4689059 9378118 14067177 28134354