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11306987 = 67168761
BaseRepresentation
bin101011001000…
…011111101011
3210021110021022
4223020133223
510343310422
61042203055
7165051656
oct53103753
923243238
1011306987
11642311a
12395348b
13245b733
14170489d
15ed5342
hexac87eb

11306987 has 4 divisors (see below), whose sum is σ = 11475816. Its totient is φ = 11138160.

The previous prime is 11306969. The next prime is 11306993. The reversal of 11306987 is 78960311.

11306987 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 not a de Polignac number, because 11306987 - 210 = 11305963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11306927) 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, 84314 + ... + 84447.

It is an arithmetic number, because the mean of its divisors is an integer number (2868954).

Almost surely, 211306987 is an apocalyptic number.

11306987 is a deficient number, since it is larger than the sum of its proper divisors (168829).

11306987 is an equidigital number, since it uses as much as digits as its factorization.

11306987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168828.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 11306987 is about 3362.5863557684. The cubic root of 11306987 is about 224.4479437109.

The spelling of 11306987 in words is "eleven million, three hundred six thousand, nine hundred eighty-seven".

Divisors: 1 67 168761 11306987