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13145034 = 237244711
BaseRepresentation
bin110010001001…
…001111001010
3220201211121010
4302021033022
511331120114
61145424350
7216505500
oct62111712
926654533
1013145034
117469071
12449b0b6
132953236
141a62670
151249c59
hexc893ca

13145034 has 24 divisors (see below), whose sum is σ = 30583008. Its totient is φ = 3755640.

The previous prime is 13145021. The next prime is 13145053. The reversal of 13145034 is 43054131.

It is a super-2 number, since 2×131450342 = 345583837722312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13145034.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 22062 + ... + 22649.

It is an arithmetic number, because the mean of its divisors is an integer number (1274292).

Almost surely, 213145034 is an apocalyptic number.

13145034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13145034 is an abundant number, since it is smaller than the sum of its proper divisors (17437974).

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

13145034 is a wasteful number, since it uses less digits than its factorization.

13145034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44730 (or 44723 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13145034 is about 3625.6080869283. The cubic root of 13145034 is about 236.0046561372.

Adding to 13145034 its reverse (43054131), we get a palindrome (56199165).

The spelling of 13145034 in words is "thirteen million, one hundred forty-five thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 44711 89422 134133 268266 312977 625954 938931 1877862 2190839 4381678 6572517 13145034