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11938071 = 33979357
BaseRepresentation
bin101101100010…
…100100010111
3211110111221210
4231202210113
511024004241
61103512503
7203320605
oct55424427
924414853
1011938071
116814282
123bb8733
13261ca62
14182a875
1510ac316
hexb62917

11938071 has 4 divisors (see below), whose sum is σ = 15917432. Its totient is φ = 7958712.

The previous prime is 11938051. The next prime is 11938079. The reversal of 11938071 is 17083911.

11938071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11938071 - 25 = 11938039 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 (11938079) 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, 1989676 + ... + 1989681.

It is an arithmetic number, because the mean of its divisors is an integer number (3979358).

Almost surely, 211938071 is an apocalyptic number.

11938071 is a deficient number, since it is larger than the sum of its proper divisors (3979361).

11938071 is an equidigital number, since it uses as much as digits as its factorization.

11938071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979360.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11938071 is about 3455.1513715031. The cubic root of 11938071 is about 228.5483301249.

The spelling of 11938071 in words is "eleven million, nine hundred thirty-eight thousand, seventy-one".

Divisors: 1 3 3979357 11938071