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11864417 = 19624443
BaseRepresentation
bin101101010000…
…100101100001
3211022202220212
4231100211201
511014130132
61102143505
7202563065
oct55204541
924282825
1011864417
116773a04
123b81b95
1325c5386
14180baa5
1510955b2
hexb50961

11864417 has 4 divisors (see below), whose sum is σ = 12488880. Its totient is φ = 11239956.

The previous prime is 11864407. The next prime is 11864429. The reversal of 11864417 is 71446811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71446811 = 439162749.

It is a cyclic number.

It is not a de Polignac number, because 11864417 - 24 = 11864401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11864407) 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, 312203 + ... + 312240.

It is an arithmetic number, because the mean of its divisors is an integer number (3122220).

Almost surely, 211864417 is an apocalyptic number.

It is an amenable number.

11864417 is a deficient number, since it is larger than the sum of its proper divisors (624463).

11864417 is an equidigital number, since it uses as much as digits as its factorization.

11864417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624462.

The product of its digits is 5376, while the sum is 32.

The square root of 11864417 is about 3444.4763027201. The cubic root of 11864417 is about 228.0773373121.

The spelling of 11864417 in words is "eleven million, eight hundred sixty-four thousand, four hundred seventeen".

Divisors: 1 19 624443 11864417