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5978081 = 23325657
BaseRepresentation
bin10110110011011111100001
3102020201101102
4112303133201
53012244311
6332044145
7101545544
oct26633741
912221342
105978081
11341346a
122003655
131314035
14b1885b
157d143b
hex5b37e1

5978081 has 4 divisors (see below), whose sum is σ = 6003972. Its totient is φ = 5952192.

The previous prime is 5978069. The next prime is 5978083. The reversal of 5978081 is 1808795.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 4477456 = 1225^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5978081 - 210 = 5977057 is a prime.

It is a super-2 number, since 2×59780812 = 71474904885122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5978083) 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, 12596 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (1500993).

Almost surely, 25978081 is an apocalyptic number.

It is an amenable number.

5978081 is a deficient number, since it is larger than the sum of its proper divisors (25891).

5978081 is a wasteful number, since it uses less digits than its factorization.

5978081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25890.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5978081 is about 2445.0114519159. The cubic root of 5978081 is about 181.4905144711.

The spelling of 5978081 in words is "five million, nine hundred seventy-eight thousand, eighty-one".

Divisors: 1 233 25657 5978081