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545245025 = 52132636379
BaseRepresentation
bin100000011111111…
…100011101100001
31101222222022120012
4200133330131201
52104040320100
6130034254305
716340335433
oct4037743541
91358868505
10545245025
1125a85a726
12132727395
1388c670c0
14525b2653
1532d04135
hex207fc761

545245025 has 24 divisors (see below), whose sum is σ = 730994880. Its totient is φ = 401048640.

The previous prime is 545245021. The next prime is 545245027. The reversal of 545245025 is 520542545.

It is not a de Polignac number, because 545245025 - 22 = 545245021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545244982 and 545245000.

It is not an unprimeable number, because it can be changed into a prime (545245021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82286 + ... + 88664.

It is an arithmetic number, because the mean of its divisors is an integer number (30458120).

Almost surely, 2545245025 is an apocalyptic number.

It is an amenable number.

545245025 is a deficient number, since it is larger than the sum of its proper divisors (185749855).

545245025 is a wasteful number, since it uses less digits than its factorization.

545245025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 545245025 is about 23350.4823290655. The cubic root of 545245025 is about 816.9533109196.

The spelling of 545245025 in words is "five hundred forty-five million, two hundred forty-five thousand, twenty-five".

Divisors: 1 5 13 25 65 263 325 1315 3419 6379 6575 17095 31895 82927 85475 159475 414635 1677677 2073175 8388385 21809801 41941925 109049005 545245025