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11385479 = 71626497
BaseRepresentation
bin101011011011…
…101010000111
3210102102221102
4223123222013
510403313404
61044010315
7165526550
oct53335207
923372842
1011385479
116477096
12399099b
132488391
141725327
15eed71e
hexadba87

11385479 has 4 divisors (see below), whose sum is σ = 13011984. Its totient is φ = 9758976.

The previous prime is 11385469. The next prime is 11385481. The reversal of 11385479 is 97458311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97458311 = 148365717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11385479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385419) 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, 813242 + ... + 813255.

It is an arithmetic number, because the mean of its divisors is an integer number (3252996).

Almost surely, 211385479 is an apocalyptic number.

11385479 is a deficient number, since it is larger than the sum of its proper divisors (1626505).

11385479 is an equidigital number, since it uses as much as digits as its factorization.

11385479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626504.

The product of its digits is 30240, while the sum is 38.

The square root of 11385479 is about 3374.2375435052. The cubic root of 11385479 is about 224.9661117686.

The spelling of 11385479 in words is "eleven million, three hundred eighty-five thousand, four hundred seventy-nine".

Divisors: 1 7 1626497 11385479