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12201941 = 31393611
BaseRepresentation
bin101110100010…
…111111010101
3211221220220202
4232202333111
511110430231
61113310245
7205500113
oct56427725
924856822
1012201941
116984554
124105385
1326b2bab
141898ab3
1511105cb
hexba2fd5

12201941 has 4 divisors (see below), whose sum is σ = 12595584. Its totient is φ = 11808300.

The previous prime is 12201923. The next prime is 12201961. The reversal of 12201941 is 14910221.

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 a de Polignac number, because none of the positive numbers 2k-12201941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201901) 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, 196775 + ... + 196836.

It is an arithmetic number, because the mean of its divisors is an integer number (3148896).

Almost surely, 212201941 is an apocalyptic number.

It is an amenable number.

12201941 is a deficient number, since it is larger than the sum of its proper divisors (393643).

12201941 is an equidigital number, since it uses as much as digits as its factorization.

12201941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393642.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 12201941 is about 3493.1276816057. The cubic root of 12201941 is about 230.2199597076.

The spelling of 12201941 in words is "twelve million, two hundred one thousand, nine hundred forty-one".

Divisors: 1 31 393611 12201941