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13414351 = 31432721
BaseRepresentation
bin110011001010…
…111111001111
3221020112000211
4303022333033
511413224401
61155303251
7222006616
oct63127717
927215024
1013414351
117632445
1245aab27
132a189b2
141ad287d
15129e951
hexccafcf

13414351 has 4 divisors (see below), whose sum is σ = 13847104. Its totient is φ = 12981600.

The previous prime is 13414333. The next prime is 13414367. The reversal of 13414351 is 15341431.

13414351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15341431 = 72191633.

It is a cyclic number.

It is not a de Polignac number, because 13414351 - 221 = 11317199 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 (13414381) 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, 216330 + ... + 216391.

It is an arithmetic number, because the mean of its divisors is an integer number (3461776).

Almost surely, 213414351 is an apocalyptic number.

13414351 is a deficient number, since it is larger than the sum of its proper divisors (432753).

13414351 is an equidigital number, since it uses as much as digits as its factorization.

13414351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432752.

The product of its digits is 720, while the sum is 22.

The square root of 13414351 is about 3662.5607162203. The cubic root of 13414351 is about 237.6055361069.

Adding to 13414351 its reverse (15341431), we get a palindrome (28755782).

The spelling of 13414351 in words is "thirteen million, four hundred fourteen thousand, three hundred fifty-one".

Divisors: 1 31 432721 13414351