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1054130725 = 5242165229
BaseRepresentation
bin111110110101001…
…100001000100101
32201110112101111201
4332311030020211
54124324140400
6252333402501
735056651264
oct7665141045
92643471451
101054130725
114a103601a
12255039431
1313a5107bb
149dddc5db
156282506a
hex3ed4c225

1054130725 has 6 divisors (see below), whose sum is σ = 1307122130. Its totient is φ = 843304560.

The previous prime is 1054130699. The next prime is 1054130729. The reversal of 1054130725 is 5270314501.

It is a happy number.

1054130725 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 3 ways, for example, as 349281 + 1053781444 = 591^2 + 32462^2 .

It is a de Polignac number, because none of the positive numbers 2k-1054130725 is a prime.

It is a super-2 number, since 2×10541307252 = 2222383170778051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054130693 and 1054130702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054130729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21082590 + ... + 21082639.

Almost surely, 21054130725 is an apocalyptic number.

It is an amenable number.

1054130725 is a deficient number, since it is larger than the sum of its proper divisors (252991405).

1054130725 is an equidigital number, since it uses as much as digits as its factorization.

1054130725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42165239 (or 42165234 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1054130725 is about 32467.3793984054. The cubic root of 1054130725 is about 1017.7274553027.

The spelling of 1054130725 in words is "one billion, fifty-four million, one hundred thirty thousand, seven hundred twenty-five".

Divisors: 1 5 25 42165229 210826145 1054130725