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1355450125 = 5325742193
BaseRepresentation
bin101000011001010…
…1000011100001101
310111110112000000111
41100302220130031
510233443401000
6342300000021
745406064431
oct12062503415
93443460014
101355450125
11636130817
12319b30011
13187a80cc3
14cc0369c1
157dee4cba
hex50ca870d

1355450125 has 16 divisors (see below), whose sum is σ = 1698224112. Its totient is φ = 1080115200.

The previous prime is 1355450071. The next prime is 1355450149. The reversal of 1355450125 is 5210545531.

It can be written as a sum of positive squares in 8 ways, for example, as 80317444 + 1275132681 = 8962^2 + 35709^2 .

It is not a de Polignac number, because 1355450125 - 211 = 1355448077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11029 + ... + 53221.

It is an arithmetic number, because the mean of its divisors is an integer number (106139007).

Almost surely, 21355450125 is an apocalyptic number.

It is an amenable number.

1355450125 is a deficient number, since it is larger than the sum of its proper divisors (342773987).

1355450125 is an equidigital number, since it uses as much as digits as its factorization.

1355450125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42465 (or 42455 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1355450125 is about 36816.4382443495. The cubic root of 1355450125 is about 1106.6947438785.

Adding to 1355450125 its reverse (5210545531), we get a palindrome (6565995656).

The spelling of 1355450125 in words is "one billion, three hundred fifty-five million, four hundred fifty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 257 1285 6425 32125 42193 210965 1054825 5274125 10843601 54218005 271090025 1355450125