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13315141 = 76131183
BaseRepresentation
bin110010110010…
…110001000101
3221001110221101
4302302301011
511402041031
61153220101
7221114440
oct62626105
927043841
1013315141
117574954
124561631
1329b27a8
141aa8657
151280361
hexcb2c45

13315141 has 8 divisors (see below), whose sum is σ = 15467264. Its totient is φ = 11225520.

The previous prime is 13315123. The next prime is 13315177. The reversal of 13315141 is 14151331.

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

It is a cyclic number.

It is not a de Polignac number, because 13315141 - 217 = 13184069 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 (13315121) 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 7 ways as a sum of consecutive naturals, for example, 15165 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (1933408).

Almost surely, 213315141 is an apocalyptic number.

It is an amenable number.

13315141 is a deficient number, since it is larger than the sum of its proper divisors (2152123).

13315141 is an equidigital number, since it uses as much as digits as its factorization.

13315141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31251.

The product of its digits is 180, while the sum is 19.

The square root of 13315141 is about 3648.9917785602. The cubic root of 13315141 is about 237.0183242314.

Adding to 13315141 its reverse (14151331), we get a palindrome (27466472).

It can be divided in two parts, 13315 and 141, that added together give a square (13456 = 1162).

The spelling of 13315141 in words is "thirteen million, three hundred fifteen thousand, one hundred forty-one".

Divisors: 1 7 61 427 31183 218281 1902163 13315141