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26806160 = 245335077
BaseRepresentation
bin110011001000…
…0011110010000
31212102220010202
41212100132100
523330244120
62354314332
7443564033
oct146203620
955386122
1026806160
1114149957
128b889a8
135727344
1437bb01a
152547875
hex1990790

26806160 has 20 divisors (see below), whose sum is σ = 62324508. Its totient is φ = 10722432.

The previous prime is 26806151. The next prime is 26806163. The reversal of 26806160 is 6160862.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 22429696 = 2092^2 + 4736^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26806163) 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, 167459 + ... + 167618.

Almost surely, 226806160 is an apocalyptic number.

26806160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26806160 is an abundant number, since it is smaller than the sum of its proper divisors (35518348).

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

26806160 is a wasteful number, since it uses less digits than its factorization.

26806160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335090 (or 335084 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 26806160 is about 5177.4665619393. The cubic root of 26806160 is about 299.2803491299.

The spelling of 26806160 in words is "twenty-six million, eight hundred six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 335077 670154 1340308 1675385 2680616 3350770 5361232 6701540 13403080 26806160