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13153061 = 22757943
BaseRepresentation
bin110010001011…
…001100100101
3220202020121102
4302023030211
511331344221
61145525445
7216541055
oct62131445
926666542
1013153061
1174740a9
1244a3885
132956a9c
141a65565
15124c30b
hexc8b325

13153061 has 4 divisors (see below), whose sum is σ = 13211232. Its totient is φ = 13094892.

The previous prime is 13153051. The next prime is 13153081. The reversal of 13153061 is 16035131.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 13153061 - 210 = 13152037 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 (13153001) 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 3 ways as a sum of consecutive naturals, for example, 28745 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (3302808).

Almost surely, 213153061 is an apocalyptic number.

It is an amenable number.

13153061 is a deficient number, since it is larger than the sum of its proper divisors (58171).

13153061 is an equidigital number, since it uses as much as digits as its factorization.

13153061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58170.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13153061 is about 3626.7149047037. The cubic root of 13153061 is about 236.0526850202.

Adding to 13153061 its reverse (16035131), we get a palindrome (29188192).

The spelling of 13153061 in words is "thirteen million, one hundred fifty-three thousand, sixty-one".

Divisors: 1 227 57943 13153061