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13026330 = 2325144737
BaseRepresentation
bin110001101100…
…010000011010
3220111210202200
4301230100122
511313320310
61143111030
7215502432
oct61542032
926453680
1013026330
117397969
124442476
1329111b5
141a312c2
1512249c0
hexc6c41a

13026330 has 24 divisors (see below), whose sum is σ = 33868692. Its totient is φ = 3473664.

The previous prime is 13026323. The next prime is 13026337. The reversal of 13026330 is 3362031.

It is a happy number.

13026330 is a `hidden beast` number, since 1 + 30 + 2 + 633 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13026323) and next prime (13026337).

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 1595169 = 3381^2 + 1263^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13026337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72279 + ... + 72458.

Almost surely, 213026330 is an apocalyptic number.

13026330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13026330 is an abundant number, since it is smaller than the sum of its proper divisors (20842362).

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

13026330 is a wasteful number, since it uses less digits than its factorization.

13026330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144750 (or 144747 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13026330 is about 3609.2007425467. The cubic root of 13026330 is about 235.2921069559.

Adding to 13026330 its reverse (3362031), we get a palindrome (16388361).

The spelling of 13026330 in words is "thirteen million, twenty-six thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 144737 289474 434211 723685 868422 1302633 1447370 2171055 2605266 4342110 6513165 13026330