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6141221 = 6599319
BaseRepresentation
bin10111011011010100100101
3102120000011122
4113123110211
53033004341
6335343325
7103125302
oct27332445
912500148
106141221
113514a99
122081b45
131370378
14b5c0a9
1581494b
hex5db525

6141221 has 4 divisors (see below), whose sum is σ = 6151200. Its totient is φ = 6131244.

The previous prime is 6141209. The next prime is 6141229. The reversal of 6141221 is 1221416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6141221 - 214 = 6124837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6141221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6141229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (1537800).

Almost surely, 26141221 is an apocalyptic number.

It is an amenable number.

6141221 is a deficient number, since it is larger than the sum of its proper divisors (9979).

6141221 is an equidigital number, since it uses as much as digits as its factorization.

6141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978.

The product of its digits is 96, while the sum is 17.

The square root of 6141221 is about 2478.1487041741. The cubic root of 6141221 is about 183.1266604003.

Adding to 6141221 its reverse (1221416), we get a palindrome (7362637).

The spelling of 6141221 in words is "six million, one hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 659 9319 6141221