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11948983 = 23519521
BaseRepresentation
bin101101100101…
…001110110111
3211111001220221
4231211032313
511024331413
61104035211
7203364454
oct55451667
924431827
1011948983
1168214a2
124002b07
132624a07
14183082b
1510b068d
hexb653b7

11948983 has 4 divisors (see below), whose sum is σ = 12468528. Its totient is φ = 11429440.

The previous prime is 11948971. The next prime is 11949001. The reversal of 11948983 is 38984911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38984911 = 75569273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11948983 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 (11948953) 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, 259738 + ... + 259783.

It is an arithmetic number, because the mean of its divisors is an integer number (3117132).

Almost surely, 211948983 is an apocalyptic number.

11948983 is a deficient number, since it is larger than the sum of its proper divisors (519545).

11948983 is an equidigital number, since it uses as much as digits as its factorization.

11948983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519544.

The product of its digits is 62208, while the sum is 43.

The square root of 11948983 is about 3456.7301022787. The cubic root of 11948983 is about 228.6179438257.

The spelling of 11948983 in words is "eleven million, nine hundred forty-eight thousand, nine hundred eighty-three".

Divisors: 1 23 519521 11948983