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12302041 = 42129221
BaseRepresentation
bin101110111011…
…011011011001
3212011000020011
4232323123121
511122131131
61115401521
7206365003
oct56733331
925130204
1012302041
116a42784
1241532a1
13271961b
1418c3373
1511300b1
hexbbb6d9

12302041 has 4 divisors (see below), whose sum is σ = 12331684. Its totient is φ = 12272400.

The previous prime is 12302039. The next prime is 12302051. The reversal of 12302041 is 14020321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156816 + 12145225 = 396^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302041 - 21 = 12302039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302051) 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, 14190 + ... + 15031.

It is an arithmetic number, because the mean of its divisors is an integer number (3082921).

Almost surely, 212302041 is an apocalyptic number.

It is an amenable number.

12302041 is a deficient number, since it is larger than the sum of its proper divisors (29643).

12302041 is an equidigital number, since it uses as much as digits as its factorization.

12302041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29642.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12302041 is about 3507.4265494804. The cubic root of 12302041 is about 230.8477911360.

Adding to 12302041 its reverse (14020321), we get a palindrome (26322362).

The spelling of 12302041 in words is "twelve million, three hundred two thousand, forty-one".

Divisors: 1 421 29221 12302041