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13082419 = 71868917
BaseRepresentation
bin110001111001…
…111100110011
3220121122201001
4301321330303
511322114134
61144222431
7216125110
oct61717463
926548631
1013082419
117426019
12446aa17
13293089c
141a47907
151236414
hexc79f33

13082419 has 4 divisors (see below), whose sum is σ = 14951344. Its totient is φ = 11213496.

The previous prime is 13082413. The next prime is 13082441. The reversal of 13082419 is 91428031.

It is a happy number.

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

It is not a de Polignac number, because 13082419 - 23 = 13082411 is a prime.

It is a super-2 number, since 2×130824192 = 342299373783122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13082411) 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, 934452 + ... + 934465.

It is an arithmetic number, because the mean of its divisors is an integer number (3737836).

Almost surely, 213082419 is an apocalyptic number.

13082419 is a deficient number, since it is larger than the sum of its proper divisors (1868925).

13082419 is an equidigital number, since it uses as much as digits as its factorization.

13082419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868924.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13082419 is about 3616.9626760585. The cubic root of 13082419 is about 235.6293317011.

The spelling of 13082419 in words is "thirteen million, eighty-two thousand, four hundred nineteen".

Divisors: 1 7 1868917 13082419