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11948005 = 519112511
BaseRepresentation
bin101101100100…
…111111100101
3211111000120201
4231210333211
511024314010
61104030501
7203361556
oct55447745
924430521
1011948005
116820793
124002431
132624434
14183032d
1510b023a
hexb64fe5

11948005 has 8 divisors (see below), whose sum is σ = 14413824. Its totient is φ = 9507600.

The previous prime is 11947993. The next prime is 11948021. The reversal of 11948005 is 50084911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11948005 - 25 = 11947973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301 + ... + 7210.

It is an arithmetic number, because the mean of its divisors is an integer number (1801728).

Almost surely, 211948005 is an apocalyptic number.

It is an amenable number.

11948005 is a deficient number, since it is larger than the sum of its proper divisors (2465819).

11948005 is a wasteful number, since it uses less digits than its factorization.

11948005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12707.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11948005 is about 3456.5886362135. The cubic root of 11948005 is about 228.6117063507.

The spelling of 11948005 in words is "eleven million, nine hundred forty-eight thousand, five".

Divisors: 1 5 191 955 12511 62555 2389601 11948005