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13513330 = 256122153
BaseRepresentation
bin110011100011…
…001001110010
3221102112210201
4303203021302
511424411310
61201345414
7222601315
oct63431162
927375721
1013513330
11769a846
12463826a
132a51a6c
141b1a97c
1512bde3a
hexce3272

13513330 has 16 divisors (see below), whose sum is σ = 24723864. Its totient is φ = 5316480.

The previous prime is 13513321. The next prime is 13513337. The reversal of 13513330 is 3331531.

13513330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3470769 + 10042561 = 1863^2 + 3169^2 .

It is a super-2 number, since 2×135133302 = 365220175377800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13513298 and 13513307.

It is not an unprimeable number, because it can be changed into a prime (13513337) 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, 10467 + ... + 11686.

Almost surely, 213513330 is an apocalyptic number.

13513330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13513330 is a deficient number, since it is larger than the sum of its proper divisors (11210534).

13513330 is a wasteful number, since it uses less digits than its factorization.

13513330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 13513330 is about 3676.0481498479. The cubic root of 13513330 is about 238.1885025927.

Adding to 13513330 its reverse (3331531), we get a palindrome (16844861).

The spelling of 13513330 in words is "thirteen million, five hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 22153 44306 110765 221530 1351333 2702666 6756665 13513330