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13119481 = 191275437
BaseRepresentation
bin110010000010…
…111111111001
3220200112112201
4302002333321
511324310411
61145110201
7216341134
oct62027771
926615481
1013119481
117450951
124488361
13294470b
141a5721b
1512423c1
hexc82ff9

13119481 has 8 divisors (see below), whose sum is σ = 13921280. Its totient is φ = 12328848.

The previous prime is 13119389. The next prime is 13119503. The reversal of 13119481 is 18491131.

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 13119481 - 213 = 13111289 is a prime.

It is a super-2 number, since 2×131194812 = 344241563418722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13119581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (1740160).

Almost surely, 213119481 is an apocalyptic number.

It is an amenable number.

13119481 is a deficient number, since it is larger than the sum of its proper divisors (801799).

13119481 is a wasteful number, since it uses less digits than its factorization.

13119481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583.

The product of its digits is 864, while the sum is 28.

The square root of 13119481 is about 3622.0824120939. The cubic root of 13119481 is about 235.8516315829.

The spelling of 13119481 in words is "thirteen million, one hundred nineteen thousand, four hundred eighty-one".

Divisors: 1 19 127 2413 5437 103303 690499 13119481