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6049381 = 13465337
BaseRepresentation
bin10111000100111001100101
3102101100012011
4113010321211
53022040011
6333354221
7102263452
oct27047145
912340164
106049381
113461a98
122038971
13133a620
14b36829
157e7621
hex5c4e65

6049381 has 4 divisors (see below), whose sum is σ = 6514732. Its totient is φ = 5584032.

The previous prime is 6049357. The next prime is 6049409. The reversal of 6049381 is 1839406.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1839406 = 2919703.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 4202500 = 1359^2 + 2050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6049381 is a prime.

It is a super-3 number, since 3×60493813 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6049481) 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, 232656 + ... + 232681.

It is an arithmetic number, because the mean of its divisors is an integer number (1628683).

Almost surely, 26049381 is an apocalyptic number.

It is an amenable number.

6049381 is a deficient number, since it is larger than the sum of its proper divisors (465351).

6049381 is a wasteful number, since it uses less digits than its factorization.

6049381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465350.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6049381 is about 2459.5489423876. The cubic root of 6049381 is about 182.2092047485.

The spelling of 6049381 in words is "six million, forty-nine thousand, three hundred eighty-one".

Divisors: 1 13 465337 6049381