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13423235 = 57383521
BaseRepresentation
bin110011001101…
…001010000011
3221020222012212
4303031022003
511414020420
61155412335
7222044540
oct63151203
927228185
1013423235
117639091
1245b40ab
132a1ca57
141ad5bc7
1512a23c5
hexccd283

13423235 has 8 divisors (see below), whose sum is σ = 18409056. Its totient is φ = 9204480.

The previous prime is 13423231. The next prime is 13423273. The reversal of 13423235 is 53232431.

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

It is not a de Polignac number, because 13423235 - 22 = 13423231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13423235.

It is not an unprimeable number, because it can be changed into a prime (13423231) 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 7 ways as a sum of consecutive naturals, for example, 191726 + ... + 191795.

It is an arithmetic number, because the mean of its divisors is an integer number (2301132).

Almost surely, 213423235 is an apocalyptic number.

13423235 is a deficient number, since it is larger than the sum of its proper divisors (4985821).

13423235 is an equidigital number, since it uses as much as digits as its factorization.

13423235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383533.

The product of its digits is 2160, while the sum is 23.

The square root of 13423235 is about 3663.7733281414. The cubic root of 13423235 is about 237.6579779969.

Adding to 13423235 its reverse (53232431), we get a palindrome (66655666).

It can be divided in two parts, 13 and 423235, that multiplied together give a palindrome (5502055).

The spelling of 13423235 in words is "thirteen million, four hundred twenty-three thousand, two hundred thirty-five".

Divisors: 1 5 7 35 383521 1917605 2684647 13423235