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13425445 = 5112310613
BaseRepresentation
bin110011001101…
…101100100101
3221021002020201
4303031230211
511414103240
61155430501
7222054145
oct63155445
927232221
1013425445
11763a810
1245b5431
132a20a67
141ad6925
1512a2d9a
hexccdb25

13425445 has 16 divisors (see below), whose sum is σ = 18340992. Its totient is φ = 9338560.

The previous prime is 13425443. The next prime is 13425469. The reversal of 13425445 is 54452431.

It is not a de Polignac number, because 13425445 - 21 = 13425443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4042 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (1146312).

Almost surely, 213425445 is an apocalyptic number.

It is an amenable number.

13425445 is a deficient number, since it is larger than the sum of its proper divisors (4915547).

13425445 is a wasteful number, since it uses less digits than its factorization.

13425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10652.

The product of its digits is 9600, while the sum is 28.

The square root of 13425445 is about 3664.0749173564. The cubic root of 13425445 is about 237.6710199427.

Adding to 13425445 its reverse (54452431), we get a palindrome (67877876).

The spelling of 13425445 in words is "thirteen million, four hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 10613 53065 116743 244099 583715 1220495 2685089 13425445