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13020324 = 2231576911
BaseRepresentation
bin110001101010…
…110010100100
3220111111112020
4301222302210
511313122244
61143023140
7215446062
oct61526244
926444466
1013020324
1173933a9
12443aab0
13290b545
141a2d032
151222d19
hexc6aca4

13020324 has 24 divisors (see below), whose sum is σ = 30578688. Its totient is φ = 4311840.

The previous prime is 13020307. The next prime is 13020331. The reversal of 13020324 is 42302031.

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 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (1274112).

Almost surely, 213020324 is an apocalyptic number.

It is an amenable number.

13020324 is an abundant number, since it is smaller than the sum of its proper divisors (17558364).

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

13020324 is a wasteful number, since it uses less digits than its factorization.

13020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075 (or 7073 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13020324 is about 3608.3686064481. The cubic root of 13020324 is about 235.2559396537.

Adding to 13020324 its reverse (42302031), we get a palindrome (55322355).

The spelling of 13020324 in words is "thirteen million, twenty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 6911 13822 20733 27644 41466 82932 1085027 2170054 3255081 4340108 6510162 13020324