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11718385 = 572314557
BaseRepresentation
bin101100101100…
…111011110001
3211001100121021
4230230323301
510444442020
61055055441
7201414250
oct54547361
924040537
1011718385
116684218
123b11581
132573a73
1417b0797
1510671aa
hexb2cef1

11718385 has 16 divisors (see below), whose sum is σ = 16770816. Its totient is φ = 7685568.

The previous prime is 11718361. The next prime is 11718397. The reversal of 11718385 is 58381711.

It is a cyclic number.

It is not a de Polignac number, because 11718385 - 27 = 11718257 is a prime.

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 11718385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6474 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (1048176).

Almost surely, 211718385 is an apocalyptic number.

It is an amenable number.

11718385 is a deficient number, since it is larger than the sum of its proper divisors (5052431).

11718385 is a wasteful number, since it uses less digits than its factorization.

11718385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592.

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

The square root of 11718385 is about 3423.2126723299. The cubic root of 11718385 is about 227.1377158608.

The spelling of 11718385 in words is "eleven million, seven hundred eighteen thousand, three hundred eighty-five".

Divisors: 1 5 7 23 35 115 161 805 14557 72785 101899 334811 509495 1674055 2343677 11718385