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13142910 = 2351139827
BaseRepresentation
bin110010001000…
…101101111110
3220201201200110
4302020231332
511331033120
61145410450
7216466344
oct62105576
926651613
1013142910
117467510
124499a26
132952291
141a61994
1512492e0
hexc88b7e

13142910 has 32 divisors (see below), whose sum is σ = 34411392. Its totient is φ = 3186080.

The previous prime is 13142891. The next prime is 13142911. The reversal of 13142910 is 1924131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142911) 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 15 ways as a sum of consecutive naturals, for example, 19584 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (1075356).

Almost surely, 213142910 is an apocalyptic number.

13142910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13142910 is an abundant number, since it is smaller than the sum of its proper divisors (21268482).

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

13142910 is a wasteful number, since it uses less digits than its factorization.

13142910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13142910 is about 3625.3151587138. The cubic root of 13142910 is about 235.9919440897.

It can be divided in two parts, 1314 and 2910, that added together give a palindrome (4224).

The spelling of 13142910 in words is "thirteen million, one hundred forty-two thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 39827 79654 119481 199135 238962 398270 438097 597405 876194 1194810 1314291 2190485 2628582 4380970 6571455 13142910