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13141433 = 23356401
BaseRepresentation
bin110010001000…
…010110111001
3220201122122202
4302020112321
511331011213
61145355545
7216462134
oct62102671
926648582
1013141433
117466398
124498bb5
1329516c6
141a6121b
151248b58
hexc885b9

13141433 has 4 divisors (see below), whose sum is σ = 13198068. Its totient is φ = 13084800.

The previous prime is 13141411. The next prime is 13141439. The reversal of 13141433 is 33414131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33414131 = 44974419.

It can be written as a sum of positive squares in 2 ways, for example, as 5368489 + 7772944 = 2317^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 13141433 - 210 = 13140409 is a prime.

It is a super-2 number, since 2×131414332 = 345394522586978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13141439) 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, 27968 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (3299517).

Almost surely, 213141433 is an apocalyptic number.

It is an amenable number.

13141433 is a deficient number, since it is larger than the sum of its proper divisors (56635).

13141433 is an equidigital number, since it uses as much as digits as its factorization.

13141433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56634.

The product of its digits is 432, while the sum is 20.

The square root of 13141433 is about 3625.1114465627. Note that the first 3 decimals coincide. The cubic root of 13141433 is about 235.9831035016.

Adding to 13141433 its reverse (33414131), we get a palindrome (46555564).

The spelling of 13141433 in words is "thirteen million, one hundred forty-one thousand, four hundred thirty-three".

Divisors: 1 233 56401 13141433