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3141421 = 5475743
BaseRepresentation
bin1011111110111100101101
312220121012221
423332330231
51301011141
6151155341
735462443
oct13767455
95817187
103141421
111856218
121075b51
1385cb3a
145bab93
15420bd1
hex2fef2d

3141421 has 4 divisors (see below), whose sum is σ = 3147712. Its totient is φ = 3135132.

The previous prime is 3141419. The next prime is 3141431. The reversal of 3141421 is 1241413.

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 3141421 - 21 = 3141419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3141395 and 3141404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141431) 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, 2325 + ... + 3418.

It is an arithmetic number, because the mean of its divisors is an integer number (786928).

Almost surely, 23141421 is an apocalyptic number.

It is an amenable number.

3141421 is a deficient number, since it is larger than the sum of its proper divisors (6291).

3141421 is an equidigital number, since it uses as much as digits as its factorization.

3141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290.

The product of its digits is 96, while the sum is 16.

The square root of 3141421 is about 1772.4054276604. The cubic root of 3141421 is about 146.4565212447.

Adding to 3141421 its reverse (1241413), we get a palindrome (4382834).

The spelling of 3141421 in words is "three million, one hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 547 5743 3141421