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11916907 = 85913873
BaseRepresentation
bin101101011101…
…011001101011
3211102102220221
4231131121223
511022320112
61103230511
7203202112
oct55353153
924372827
1011916907
1167aa392
123ba8437
132613232
141822c79
1510a5e07
hexb5d66b

11916907 has 4 divisors (see below), whose sum is σ = 11931640. Its totient is φ = 11902176.

The previous prime is 11916901. The next prime is 11916917. The reversal of 11916907 is 70961911.

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-11916907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11916901) 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, 6078 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (2982910).

Almost surely, 211916907 is an apocalyptic number.

11916907 is a deficient number, since it is larger than the sum of its proper divisors (14733).

11916907 is an equidigital number, since it uses as much as digits as its factorization.

11916907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 11916907 is about 3452.0873395672. The cubic root of 11916907 is about 228.4131922107.

The spelling of 11916907 in words is "eleven million, nine hundred sixteen thousand, nine hundred seven".

Divisors: 1 859 13873 11916907