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13322545 = 54216329
BaseRepresentation
bin110010110100…
…100100110001
3221001212002121
4302310210301
511402310140
61153314241
7221145145
oct62644461
927055077
1013322545
11757a475
124565981
1329b5c82
141aab225
15128264a
hexcb4931

13322545 has 8 divisors (see below), whose sum is σ = 16027560. Its totient is φ = 10631040.

The previous prime is 13322539. The next prime is 13322563. The reversal of 13322545 is 54522331.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 13184161 = 372^2 + 3631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13322545 - 215 = 13289777 is a prime.

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, 1060 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (2003445).

Almost surely, 213322545 is an apocalyptic number.

It is an amenable number.

13322545 is a deficient number, since it is larger than the sum of its proper divisors (2705015).

13322545 is an equidigital number, since it uses as much as digits as its factorization.

13322545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

The product of its digits is 3600, while the sum is 25.

The square root of 13322545 is about 3650.0061643784. The cubic root of 13322545 is about 237.0622481247.

Adding to 13322545 its reverse (54522331), we get a palindrome (67844876).

The spelling of 13322545 in words is "thirteen million, three hundred twenty-two thousand, five hundred forty-five".

Divisors: 1 5 421 2105 6329 31645 2664509 13322545