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13424169 = 3111723929
BaseRepresentation
bin110011001101…
…011000101001
3221021000111110
4303031120221
511414033134
61155420533
7222050343
oct63153051
927230443
1013424169
117639860
1245b4749
132a202c5
141ad6293
1512a27e9
hexccd629

13424169 has 16 divisors (see below), whose sum is σ = 20675520. Its totient is φ = 7656960.

The previous prime is 13424161. The next prime is 13424221. The reversal of 13424169 is 96142431.

13424169 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13424169 - 23 = 13424161 is a prime.

It is a super-2 number, since 2×134241692 = 360416626681122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13424161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11404 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (1292220).

Almost surely, 213424169 is an apocalyptic number.

It is an amenable number.

13424169 is a deficient number, since it is larger than the sum of its proper divisors (7251351).

13424169 is a wasteful number, since it uses less digits than its factorization.

13424169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23960.

The product of its digits is 5184, while the sum is 30.

The square root of 13424169 is about 3663.9007901416. The cubic root of 13424169 is about 237.6634900165.

It can be divided in two parts, 134241 and 69, that multiplied together give a palindrome (9262629).

The spelling of 13424169 in words is "thirteen million, four hundred twenty-four thousand, one hundred sixty-nine".

Divisors: 1 3 11 17 33 51 187 561 23929 71787 263219 406793 789657 1220379 4474723 13424169