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11945017 = 75692999
BaseRepresentation
bin101101100100…
…010000111001
3211110212111001
4231210100321
511024220032
61104005001
7203350060
oct55442071
924425431
1011945017
116819517
124000761
132622c76
14182d1d7
1510ae3e7
hexb64439

11945017 has 8 divisors (see below), whose sum is σ = 13680000. Its totient is φ = 10217184.

The previous prime is 11944997. The next prime is 11945047. The reversal of 11945017 is 71054911.

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 11945017 - 211 = 11942969 is a prime.

It is a super-2 number, since 2×119450172 = 285366862260578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11945047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (1710000).

Almost surely, 211945017 is an apocalyptic number.

It is an amenable number.

11945017 is a deficient number, since it is larger than the sum of its proper divisors (1734983).

11945017 is an equidigital number, since it uses as much as digits as its factorization.

11945017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 11945017 is about 3456.1563911374. The cubic root of 11945017 is about 228.5926474163.

Adding to 11945017 its reverse (71054911), we get a palindrome (82999928).

The spelling of 11945017 in words is "eleven million, nine hundred forty-five thousand, seventeen".

Divisors: 1 7 569 2999 3983 20993 1706431 11945017