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13408335 = 34533107
BaseRepresentation
bin110011001001…
…100001001111
3221020012210000
4303021201033
511413031320
61155215343
7221653233
oct63114117
927205700
1013408335
117628976
1245a7553
132a16035
141ad05c3
15129cc90
hexcc984f

13408335 has 20 divisors (see below), whose sum is σ = 24036408. Its totient is φ = 7150896.

The previous prime is 13408331. The next prime is 13408397. The reversal of 13408335 is 53380431.

It is a happy number.

13408335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13408335 - 22 = 13408331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13408299 and 13408308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16149 + ... + 16958.

Almost surely, 213408335 is an apocalyptic number.

13408335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13408335 is a deficient number, since it is larger than the sum of its proper divisors (10628073).

13408335 is an equidigital number, since it uses as much as digits as its factorization.

13408335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33124 (or 33115 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13408335 is about 3661.7393408051. The cubic root of 13408335 is about 237.5700107543.

Adding to 13408335 its reverse (53380431), we get a palindrome (66788766).

The spelling of 13408335 in words is "thirteen million, four hundred eight thousand, three hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 33107 99321 165535 297963 496605 893889 1489815 2681667 4469445 13408335