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11874131 = 19959669
BaseRepresentation
bin101101010010…
…111101010011
3211100021020122
4231102331103
511014433011
61102300455
7202633313
oct55227523
924307218
1011874131
116780235
123b8772b
1325c9919
141811443
1510983db
hexb52f53

11874131 has 4 divisors (see below), whose sum is σ = 11934000. Its totient is φ = 11814264.

The previous prime is 11874103. The next prime is 11874139. The reversal of 11874131 is 13147811.

11874131 is digitally balanced in base 3, 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11874131 is a prime.

It is a super-2 number, since 2×118741312 = 281989974010322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11874131.

It is not an unprimeable number, because it can be changed into a prime (11874139) 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, 29636 + ... + 30033.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 211874131 is an apocalyptic number.

11874131 is a deficient number, since it is larger than the sum of its proper divisors (59869).

11874131 is an equidigital number, since it uses as much as digits as its factorization.

11874131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59868.

The product of its digits is 672, while the sum is 26.

The square root of 11874131 is about 3445.8860979435. The cubic root of 11874131 is about 228.1395664934.

The spelling of 11874131 in words is "eleven million, eight hundred seventy-four thousand, one hundred thirty-one".

Divisors: 1 199 59669 11874131