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11925941 = 71167971
BaseRepresentation
bin101101011111…
…100110110101
3211102220022112
4231133212311
511023112231
61103340405
7203240336
oct55374665
924386275
1011925941
116806155
123bb1705
132617391
14182628d
1510a892b
hexb5f9b5

11925941 has 4 divisors (see below), whose sum is σ = 12093984. Its totient is φ = 11757900.

The previous prime is 11925913. The next prime is 11925961. The reversal of 11925941 is 14952911.

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: 14952911 = 17879583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11925941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11925898 and 11925907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11925961) 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, 83915 + ... + 84056.

It is an arithmetic number, because the mean of its divisors is an integer number (3023496).

Almost surely, 211925941 is an apocalyptic number.

It is an amenable number.

11925941 is a deficient number, since it is larger than the sum of its proper divisors (168043).

11925941 is an equidigital number, since it uses as much as digits as its factorization.

11925941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168042.

The product of its digits is 3240, while the sum is 32.

The square root of 11925941 is about 3453.3955753722. The cubic root of 11925941 is about 228.4708963215.

The spelling of 11925941 in words is "eleven million, nine hundred twenty-five thousand, nine hundred forty-one".

Divisors: 1 71 167971 11925941