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13485079 = 19709741
BaseRepresentation
bin110011011100…
…010000010111
3221101010001101
4303130100113
511423010304
61201010531
7222423046
oct63342027
927333041
1013485079
1176805a3
124623a47
132a41c4a
141b1055d
1512b58a4
hexcdc417

13485079 has 4 divisors (see below), whose sum is σ = 14194840. Its totient is φ = 12775320.

The previous prime is 13485053. The next prime is 13485089. The reversal of 13485079 is 97058431.

13485079 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 97058431 = 472065073.

It is a cyclic number.

It is not a de Polignac number, because 13485079 - 27 = 13484951 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 (13485019) 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, 354852 + ... + 354889.

It is an arithmetic number, because the mean of its divisors is an integer number (3548710).

Almost surely, 213485079 is an apocalyptic number.

13485079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13485079 is a deficient number, since it is larger than the sum of its proper divisors (709761).

13485079 is an equidigital number, since it uses as much as digits as its factorization.

13485079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709760.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13485079 is about 3672.2035618958. The cubic root of 13485079 is about 238.0224009704.

The spelling of 13485079 in words is "thirteen million, four hundred eighty-five thousand, seventy-nine".

Divisors: 1 19 709741 13485079