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13645055 = 513192069
BaseRepresentation
bin110100000011…
…010011111111
3221200020111102
4310003103333
511443120210
61204243315
7223660334
oct64032377
927606442
1013645055
11777a806
1246a053b
132a999c8
141b5298b
1512e7ea5
hexd034ff

13645055 has 8 divisors (see below), whose sum is σ = 16394400. Its totient is φ = 10902496.

The previous prime is 13645043. The next prime is 13645057. The reversal of 13645055 is 55054631.

13645055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13645055 - 24 = 13645039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13645057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5561 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (2049300).

Almost surely, 213645055 is an apocalyptic number.

13645055 is a deficient number, since it is larger than the sum of its proper divisors (2749345).

13645055 is a wasteful number, since it uses less digits than its factorization.

13645055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13645055 is about 3693.9213581234. The cubic root of 13645055 is about 238.9599379639.

Adding to 13645055 its reverse (55054631), we get a palindrome (68699686).

The spelling of 13645055 in words is "thirteen million, six hundred forty-five thousand, fifty-five".

Divisors: 1 5 1319 2069 6595 10345 2729011 13645055