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13102441 = 111191131
BaseRepresentation
bin110001111110…
…110101101001
3220122200011121
4301332311221
511323234231
61144455241
7216240352
oct61766551
926580147
1013102441
11743a070
12447a521
132939a31
141a50d29
15123c311
hexc7ed69

13102441 has 4 divisors (see below), whose sum is σ = 14293584. Its totient is φ = 11911300.

The previous prime is 13102417. The next prime is 13102459. The reversal of 13102441 is 14420131.

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 13102441 - 217 = 12971369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595555 + ... + 595576.

It is an arithmetic number, because the mean of its divisors is an integer number (3573396).

Almost surely, 213102441 is an apocalyptic number.

13102441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13102441 is a deficient number, since it is larger than the sum of its proper divisors (1191143).

13102441 is a wasteful number, since it uses less digits than its factorization.

13102441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191142.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13102441 is about 3619.7294097764. The cubic root of 13102441 is about 235.7494768045.

Adding to 13102441 its reverse (14420131), we get a palindrome (27522572).

The spelling of 13102441 in words is "thirteen million, one hundred two thousand, four hundred forty-one".

Divisors: 1 11 1191131 13102441