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13650155 = 523294093
BaseRepresentation
bin110100000100…
…100011101011
3221200111111022
4310010203223
511443301110
61204323055
7224011241
oct64044353
927614438
1013650155
117783622
1246a348b
132a9c11c
141b54791
1512e9755
hexd048eb

13650155 has 16 divisors (see below), whose sum is σ = 17686080. Its totient is φ = 10082688.

The previous prime is 13650149. The next prime is 13650187. The reversal of 13650155 is 55105631.

It is a cyclic number.

It is not a de Polignac number, because 13650155 - 24 = 13650139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (1105380).

Almost surely, 213650155 is an apocalyptic number.

13650155 is a deficient number, since it is larger than the sum of its proper divisors (4035925).

13650155 is a wasteful number, since it uses less digits than its factorization.

13650155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 13650155 is about 3694.6116169362. The cubic root of 13650155 is about 238.9897056192.

Adding to 13650155 its reverse (55105631), we get a palindrome (68755786).

The spelling of 13650155 in words is "thirteen million, six hundred fifty thousand, one hundred fifty-five".

Divisors: 1 5 23 29 115 145 667 3335 4093 20465 94139 118697 470695 593485 2730031 13650155