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13992049 = 91115359
BaseRepresentation
bin110101011000…
…000001110001
3222022212111001
4311120001301
512040221144
61215522001
7226634101
oct65300161
928285431
1013992049
117997485
124829301
132b8b926
141c03201
151365bd4
hexd58071

13992049 has 4 divisors (see below), whose sum is σ = 14008320. Its totient is φ = 13975780.

The previous prime is 13992047. The next prime is 13992061. The reversal of 13992049 is 94029931.

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 13992049 - 21 = 13992047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13991999 and 13992017.

It is not an unprimeable number, because it can be changed into a prime (13992047) 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, 6769 + ... + 8590.

It is an arithmetic number, because the mean of its divisors is an integer number (3502080).

Almost surely, 213992049 is an apocalyptic number.

It is an amenable number.

13992049 is a deficient number, since it is larger than the sum of its proper divisors (16271).

13992049 is an equidigital number, since it uses as much as digits as its factorization.

13992049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 13992049 is about 3740.5947388083. The cubic root of 13992049 is about 240.9685914889.

The spelling of 13992049 in words is "thirteen million, nine hundred ninety-two thousand, forty-nine".

Divisors: 1 911 15359 13992049