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3142241 = 5036247
BaseRepresentation
bin1011111111001001100001
312220122100022
423333021201
51301022431
6151203225
735465024
oct13771141
95818308
103142241
1118568a3
121076515
1386031b
145bb1bb
1542107b
hex2ff261

3142241 has 4 divisors (see below), whose sum is σ = 3148992. Its totient is φ = 3135492.

The previous prime is 3142231. The next prime is 3142259. The reversal of 3142241 is 1422413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1422413 = 4134693.

It is a cyclic number.

It is not a de Polignac number, because 3142241 - 26 = 3142177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142231) 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, 2621 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (787248).

Almost surely, 23142241 is an apocalyptic number.

It is an amenable number.

3142241 is a deficient number, since it is larger than the sum of its proper divisors (6751).

3142241 is an equidigital number, since it uses as much as digits as its factorization.

3142241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750.

The product of its digits is 192, while the sum is 17.

The square root of 3142241 is about 1772.6367366158. The cubic root of 3142241 is about 146.4692632384.

Adding to 3142241 its reverse (1422413), we get a palindrome (4564654).

The spelling of 3142241 in words is "three million, one hundred forty-two thousand, two hundred forty-one".

Divisors: 1 503 6247 3142241