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13326530 = 257227197
BaseRepresentation
bin110010110101…
…100011000010
3221002001120012
4302311203002
511402422110
61153344522
7221162600
oct62654302
927061505
1013326530
117582468
124568142
1329b7a29
141aac870
151283905
hexcb58c2

13326530 has 24 divisors (see below), whose sum is σ = 27905148. Its totient is φ = 4568928.

The previous prime is 13326527. The next prime is 13326553. The reversal of 13326530 is 3562331.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 25921 = 3647^2 + 161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13326496 and 13326505.

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, 13109 + ... + 14088.

Almost surely, 213326530 is an apocalyptic number.

13326530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13326530 is an abundant number, since it is smaller than the sum of its proper divisors (14578618).

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

13326530 is a wasteful number, since it uses less digits than its factorization.

13326530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27218 (or 27211 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 13326530 is about 3650.5520130523. The cubic root of 13326530 is about 237.0858822198.

Adding to 13326530 its reverse (3562331), we get a palindrome (16888861).

The spelling of 13326530 in words is "thirteen million, three hundred twenty-six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 27197 54394 135985 190379 271970 380758 951895 1332653 1903790 2665306 6663265 13326530