Search a number
-
+
11871355 = 517139663
BaseRepresentation
bin101101010010…
…010001111011
3211100010102211
4231102101323
511014340410
61102235551
7202622236
oct55222173
924303384
1011871355
116779141
123b85bb7
1325c8592
14181041d
15109768a
hexb5247b

11871355 has 8 divisors (see below), whose sum is σ = 15083712. Its totient is φ = 8938368.

The previous prime is 11871337. The next prime is 11871361. The reversal of 11871355 is 55317811.

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

It is a cyclic number.

It is not a de Polignac number, because 11871355 - 25 = 11871323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69747 + ... + 69916.

It is an arithmetic number, because the mean of its divisors is an integer number (1885464).

Almost surely, 211871355 is an apocalyptic number.

11871355 is a deficient number, since it is larger than the sum of its proper divisors (3212357).

11871355 is a wasteful number, since it uses less digits than its factorization.

11871355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139685.

The product of its digits is 4200, while the sum is 31.

The square root of 11871355 is about 3445.4832752460. The cubic root of 11871355 is about 228.1217865313.

The spelling of 11871355 in words is "eleven million, eight hundred seventy-one thousand, three hundred fifty-five".

Divisors: 1 5 17 85 139663 698315 2374271 11871355