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11887315 = 511216133
BaseRepresentation
bin101101010110…
…001011010011
3211100221022221
4231112023103
511020343230
61102441511
7203016616
oct55261323
924327287
1011887315
11678a130
123b93297
13260291b
14181617d
15109c27a
hexb562d3

11887315 has 8 divisors (see below), whose sum is σ = 15561648. Its totient is φ = 8645280.

The previous prime is 11887313. The next prime is 11887319. The reversal of 11887315 is 51378811.

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

It is not a de Polignac number, because 11887315 - 21 = 11887313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11887313) by changing a digit.

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, 108012 + ... + 108121.

It is an arithmetic number, because the mean of its divisors is an integer number (1945206).

Almost surely, 211887315 is an apocalyptic number.

11887315 is a deficient number, since it is larger than the sum of its proper divisors (3674333).

11887315 is a wasteful number, since it uses less digits than its factorization.

11887315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216149.

The product of its digits is 6720, while the sum is 34.

The square root of 11887315 is about 3447.7985730028. The cubic root of 11887315 is about 228.2239706920.

The spelling of 11887315 in words is "eleven million, eight hundred eighty-seven thousand, three hundred fifteen".

Divisors: 1 5 11 55 216133 1080665 2377463 11887315