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13194053 = 67719489
BaseRepresentation
bin110010010101…
…001101000101
3220211022211122
4302111031011
511334202203
61150443325
7220101425
oct62251505
926738748
1013194053
1174a1984
124503545
13296c642
141a76485
151259538
hexc95345

13194053 has 4 divisors (see below), whose sum is σ = 13214220. Its totient is φ = 13173888.

The previous prime is 13194031. The next prime is 13194061. The reversal of 13194053 is 35049131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35049131 = 132696087.

It can be written as a sum of positive squares in 2 ways, for example, as 6959044 + 6235009 = 2638^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 13194053 - 28 = 13193797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13194073) 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, 9068 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (3303555).

Almost surely, 213194053 is an apocalyptic number.

It is an amenable number.

13194053 is a deficient number, since it is larger than the sum of its proper divisors (20167).

13194053 is an equidigital number, since it uses as much as digits as its factorization.

13194053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13194053 is about 3632.3619037756. The cubic root of 13194053 is about 236.2976530136.

The spelling of 13194053 in words is "thirteen million, one hundred ninety-four thousand, fifty-three".

Divisors: 1 677 19489 13194053