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13193338 = 215742017
BaseRepresentation
bin110010010101…
…000001111010
3220211021212011
4302111001322
511334141323
61150440134
7220066354
oct62250172
926737764
1013193338
1174a1394
12450304a
13296c212
141a760d4
15125920d
hexc9507a

13193338 has 8 divisors (see below), whose sum is σ = 19916532. Its totient is φ = 6554496.

The previous prime is 13193333. The next prime is 13193339. The reversal of 13193338 is 83339131.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 1270129 = 3453^2 + 1127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13193333) 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, 20695 + ... + 21322.

Almost surely, 213193338 is an apocalyptic number.

13193338 is a deficient number, since it is larger than the sum of its proper divisors (6723194).

13193338 is a wasteful number, since it uses less digits than its factorization.

13193338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42176.

The product of its digits is 5832, while the sum is 31.

The square root of 13193338 is about 3632.2634816324. The cubic root of 13193338 is about 236.2933845280.

It can be divided in two parts, 13193 and 338, that added together give a palindrome (13531).

The spelling of 13193338 in words is "thirteen million, one hundred ninety-three thousand, three hundred thirty-eight".

Divisors: 1 2 157 314 42017 84034 6596669 13193338