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13283141 = 43330677
BaseRepresentation
bin110010101010…
…111101000101
3220222212001012
4302222331011
511400030031
61152412005
7220622234
oct62527505
926885035
1013283141
117552903
124547005
1329a1061
141a9ab1b
151275b2b
hexcaaf45

13283141 has 4 divisors (see below), whose sum is σ = 13314252. Its totient is φ = 13252032.

The previous prime is 13283107. The next prime is 13283143. The reversal of 13283141 is 14138231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5387041 + 7896100 = 2321^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 13283141 - 26 = 13283077 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 (13283143) 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 3 ways as a sum of consecutive naturals, for example, 14906 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (3328563).

Almost surely, 213283141 is an apocalyptic number.

It is an amenable number.

13283141 is a deficient number, since it is larger than the sum of its proper divisors (31111).

13283141 is an equidigital number, since it uses as much as digits as its factorization.

13283141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31110.

The product of its digits is 576, while the sum is 23.

The square root of 13283141 is about 3644.6043681036. The cubic root of 13283141 is about 236.8282981936.

The spelling of 13283141 in words is "thirteen million, two hundred eighty-three thousand, one hundred forty-one".

Divisors: 1 433 30677 13283141