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13106238 = 2319114967
BaseRepresentation
bin110001111111…
…110000111110
3220122212101020
4301333300332
511323344423
61144525010
7216254415
oct61776076
926585336
1013106238
117441a02
124480766
13293b692
141a5247c
15123d4e3
hexc7fc3e

13106238 has 16 divisors (see below), whose sum is σ = 27592320. Its totient is φ = 4138776.

The previous prime is 13106237. The next prime is 13106243. The reversal of 13106238 is 83260131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13106237) 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, 57370 + ... + 57597.

It is an arithmetic number, because the mean of its divisors is an integer number (1724520).

Almost surely, 213106238 is an apocalyptic number.

13106238 is an abundant number, since it is smaller than the sum of its proper divisors (14486082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13106238 is a wasteful number, since it uses less digits than its factorization.

13106238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114991.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13106238 is about 3620.2538585022. The cubic root of 13106238 is about 235.7722474804.

Adding to 13106238 its reverse (83260131), we get a palindrome (96366369).

The spelling of 13106238 in words is "thirteen million, one hundred six thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 114967 229934 344901 689802 2184373 4368746 6553119 13106238