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13013435 = 56142667
BaseRepresentation
bin110001101001…
…000110111011
3220111011002002
4301221012323
511312412220
61142531215
7215420021
oct61510673
926434062
1013013435
117389206
124436b0b
132908376
141a2a711
151220c75
hexc691bb

13013435 has 8 divisors (see below), whose sum is σ = 15872496. Its totient is φ = 10239840.

The previous prime is 13013417. The next prime is 13013437. The reversal of 13013435 is 53431031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13013435 - 28 = 13013179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21029 + ... + 21638.

It is an arithmetic number, because the mean of its divisors is an integer number (1984062).

Almost surely, 213013435 is an apocalyptic number.

13013435 is a deficient number, since it is larger than the sum of its proper divisors (2859061).

13013435 is an equidigital number, since it uses as much as digits as its factorization.

13013435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13013435 is about 3607.4138936363. The cubic root of 13013435 is about 235.2144413499.

Adding to 13013435 its reverse (53431031), we get a palindrome (66444466).

The spelling of 13013435 in words is "thirteen million, thirteen thousand, four hundred thirty-five".

Divisors: 1 5 61 305 42667 213335 2602687 13013435