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13437241 = 14339377
BaseRepresentation
bin110011010000…
…100100111001
3221021200102121
4303100210321
511414442431
61200001241
7222133426
oct63204471
927250377
1013437241
117648664
124600221
132a2623c
141adad4d
1512a6611
hexcd0939

13437241 has 4 divisors (see below), whose sum is σ = 13448052. Its totient is φ = 13426432.

The previous prime is 13437233. The next prime is 13437251. The reversal of 13437241 is 14273431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14273431 = 103138577.

It can be written as a sum of positive squares in 2 ways, for example, as 6125625 + 7311616 = 2475^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 13437241 - 23 = 13437233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13437211) 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, 3256 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (3362013).

Almost surely, 213437241 is an apocalyptic number.

It is an amenable number.

13437241 is a deficient number, since it is larger than the sum of its proper divisors (10811).

13437241 is an equidigital number, since it uses as much as digits as its factorization.

13437241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810.

The product of its digits is 2016, while the sum is 25.

The square root of 13437241 is about 3665.6842471768. The cubic root of 13437241 is about 237.7406078695.

The spelling of 13437241 in words is "thirteen million, four hundred thirty-seven thousand, two hundred forty-one".

Divisors: 1 1433 9377 13437241