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13505995 = 522312113
BaseRepresentation
bin110011100001…
…010111001011
3221102011202001
4303201113023
511424142440
61201251431
7222541036
oct63412713
927364661
1013505995
117695288
124633b77
132a4b619
141b1801d
1512bbb9a
hexce15cb

13505995 has 8 divisors (see below), whose sum is σ = 16281216. Its totient is φ = 10755456.

The previous prime is 13505993. The next prime is 13506001. The reversal of 13505995 is 59950531.

13505995 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 13505995 - 21 = 13505993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13505993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4942 + ... + 7171.

It is an arithmetic number, because the mean of its divisors is an integer number (2035152).

Almost surely, 213505995 is an apocalyptic number.

13505995 is a deficient number, since it is larger than the sum of its proper divisors (2775221).

13505995 is a wasteful number, since it uses less digits than its factorization.

13505995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12341.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 13505995 is about 3675.0503397913. The cubic root of 13505995 is about 238.1453987618.

The spelling of 13505995 in words is "thirteen million, five hundred five thousand, nine hundred ninety-five".

Divisors: 1 5 223 1115 12113 60565 2701199 13505995