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6386081 = 131074591
BaseRepresentation
bin11000010111000110100001
3110000110001112
4120113012201
53113323311
6344513105
7105165212
oct30270641
913013045
106386081
113671a59
12217b795
131427960
14bc3409
1586228b
hex6171a1

6386081 has 8 divisors (see below), whose sum is σ = 6943104. Its totient is φ = 5838480.

The previous prime is 6386069. The next prime is 6386099. The reversal of 6386081 is 1806836.

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

It is a cyclic number.

It is not a de Polignac number, because 6386081 - 218 = 6123937 is a prime.

It is a super-2 number, since 2×63860812 = 81564061077122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6386011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (867888).

Almost surely, 26386081 is an apocalyptic number.

It is an amenable number.

6386081 is a deficient number, since it is larger than the sum of its proper divisors (557023).

6386081 is a wasteful number, since it uses less digits than its factorization.

6386081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6386081 is about 2527.0696468439. The cubic root of 6386081 is about 185.5288592449.

The spelling of 6386081 in words is "six million, three hundred eighty-six thousand, eighty-one".

Divisors: 1 13 107 1391 4591 59683 491237 6386081