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13118390 = 251777167
BaseRepresentation
bin110010000010…
…101110110110
3220200111001022
4302002232312
511324242030
61145101142
7216335015
oct62025666
926614038
1013118390
11745004a
1244877b2
13294407c
141a56a7c
151241de5
hexc82bb6

13118390 has 16 divisors (see below), whose sum is σ = 25002432. Its totient is φ = 4938624.

The previous prime is 13118383. The next prime is 13118393. The reversal of 13118390 is 9381131.

13118390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118393) 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, 38414 + ... + 38753.

It is an arithmetic number, because the mean of its divisors is an integer number (1562652).

Almost surely, 213118390 is an apocalyptic number.

13118390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13118390 is a deficient number, since it is larger than the sum of its proper divisors (11884042).

13118390 is a wasteful number, since it uses less digits than its factorization.

13118390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77191.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 13118390 is about 3621.9318049903. The cubic root of 13118390 is about 235.8450936906.

The spelling of 13118390 in words is "thirteen million, one hundred eighteen thousand, three hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 77167 154334 385835 771670 1311839 2623678 6559195 13118390