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6071381 = 311391409
BaseRepresentation
bin10111001010010001010101
3102102110100222
4113022101111
53023241011
6334044125
7102414551
oct27122125
912373328
106071381
113477578
122049645
131347644
14b40861
157edddb
hex5ca455

6071381 has 8 divisors (see below), whose sum is σ = 6316800. Its totient is φ = 5829120.

The previous prime is 6071371. The next prime is 6071383. The reversal of 6071381 is 1831706.

6071381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6071381 - 222 = 1877077 is a prime.

It is a super-2 number, since 2×60713812 = 73723334494322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6071381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6071383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (789600).

Almost surely, 26071381 is an apocalyptic number.

It is an amenable number.

6071381 is a deficient number, since it is larger than the sum of its proper divisors (245419).

6071381 is a wasteful number, since it uses less digits than its factorization.

6071381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 6071381 is about 2464.0172483163. The cubic root of 6071381 is about 182.4298197662.

The spelling of 6071381 in words is "six million, seventy-one thousand, three hundred eighty-one".

Divisors: 1 31 139 1409 4309 43679 195851 6071381