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13434455 = 52686891
BaseRepresentation
bin110011001111…
…111001010111
3221021112121102
4303033321113
511414400310
61155540315
7222122336
oct63177127
927245542
1013434455
117646561
1245ba69b
132a24ba8
141ad9d1d
1512a58a5
hexccfe57

13434455 has 4 divisors (see below), whose sum is σ = 16121352. Its totient is φ = 10747560.

The previous prime is 13434451. The next prime is 13434469. The reversal of 13434455 is 55443431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55443431 = 255721683.

It is not a de Polignac number, because 13434455 - 22 = 13434451 is a prime.

It is a super-2 number, since 2×134344552 = 360969162294050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434451) 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, 1343441 + ... + 1343450.

It is an arithmetic number, because the mean of its divisors is an integer number (4030338).

Almost surely, 213434455 is an apocalyptic number.

13434455 is a deficient number, since it is larger than the sum of its proper divisors (2686897).

13434455 is an equidigital number, since it uses as much as digits as its factorization.

13434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686896.

The product of its digits is 14400, while the sum is 29.

The square root of 13434455 is about 3665.3042165692. The cubic root of 13434455 is about 237.7241761453.

Adding to 13434455 its reverse (55443431), we get a palindrome (68877886).

The spelling of 13434455 in words is "thirteen million, four hundred thirty-four thousand, four hundred fifty-five".

Divisors: 1 5 2686891 13434455