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11944957 = 89134213
BaseRepresentation
bin101101100100…
…001111111101
3211110212101211
4231210033331
511024214312
61104004421
7203346643
oct55441775
924425354
1011944957
116819472
124000711
132622c2b
14182d193
1510ae3a7
hexb643fd

11944957 has 4 divisors (see below), whose sum is σ = 12079260. Its totient is φ = 11810656.

The previous prime is 11944913. The next prime is 11944979. The reversal of 11944957 is 75944911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75944911 = 710849273.

It can be written as a sum of positive squares in 2 ways, for example, as 5447556 + 6497401 = 2334^2 + 2549^2 .

It is a de Polignac number, because none of the positive numbers 2k-11944957 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 (11944997) 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, 67018 + ... + 67195.

It is an arithmetic number, because the mean of its divisors is an integer number (3019815).

Almost surely, 211944957 is an apocalyptic number.

It is an amenable number.

11944957 is a deficient number, since it is larger than the sum of its proper divisors (134303).

11944957 is an equidigital number, since it uses as much as digits as its factorization.

11944957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134302.

The product of its digits is 45360, while the sum is 40.

The square root of 11944957 is about 3456.1477109638. The cubic root of 11944957 is about 228.5922646742.

The spelling of 11944957 in words is "eleven million, nine hundred forty-four thousand, nine hundred fifty-seven".

Divisors: 1 89 134213 11944957