Search a number
-
+
6142405 = 510311927
BaseRepresentation
bin10111011011100111000101
3102120001210111
4113123213011
53033024110
6335353021
7103131613
oct27334705
912501714
106142405
113515975
122082771
131370a79
14b5c6b3
15814e8a
hex5db9c5

6142405 has 8 divisors (see below), whose sum is σ = 7443072. Its totient is φ = 4865808.

The previous prime is 6142397. The next prime is 6142441. The reversal of 6142405 is 5042416.

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 6142405 - 23 = 6142397 is a prime.

It is a Duffinian number.

6142405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5449 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (930384).

Almost surely, 26142405 is an apocalyptic number.

It is an amenable number.

6142405 is a deficient number, since it is larger than the sum of its proper divisors (1300667).

6142405 is a wasteful number, since it uses less digits than its factorization.

6142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 6142405 is about 2478.3875806661. The cubic root of 6142405 is about 183.1384283117.

The spelling of 6142405 in words is "six million, one hundred forty-two thousand, four hundred five".

Divisors: 1 5 103 515 11927 59635 1228481 6142405