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26728134 = 2337120397
BaseRepresentation
bin110010111110…
…1011011000110
31212021221002220
41211331123012
523320300014
62352513210
7443120406
oct145753306
955257086
1026728134
11140a6274
128b4b806
1356ca984
14379a806
15252e6a9
hex197d6c6

26728134 has 16 divisors (see below), whose sum is σ = 54901488. Its totient is φ = 8668512.

The previous prime is 26728103. The next prime is 26728153. The reversal of 26728134 is 43182762.

It is a junction number, because it is equal to n+sod(n) for n = 26728095 and 26728104.

It is a congruent number.

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, 59977 + ... + 60420.

It is an arithmetic number, because the mean of its divisors is an integer number (3431343).

Almost surely, 226728134 is an apocalyptic number.

26728134 is an abundant number, since it is smaller than the sum of its proper divisors (28173354).

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

26728134 is a wasteful number, since it uses less digits than its factorization.

26728134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120439.

The product of its digits is 16128, while the sum is 33.

The square root of 26728134 is about 5169.9259182313. The cubic root of 26728134 is about 298.9896902893.

It can be divided in two parts, 26728 and 134, that added together give a palindrome (26862).

The spelling of 26728134 in words is "twenty-six million, seven hundred twenty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 120397 240794 361191 722382 4454689 8909378 13364067 26728134