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785055125 = 536280441
BaseRepresentation
bin101110110010101…
…111110110010101
32000201012221011202
4232302233312111
53101433231000
6205522242245
725311600311
oct5662576625
92021187152
10785055125
11373163598
1219aab6385
13c684c67a
1476398b41
1548dc3dd5
hex2ecafd95

785055125 has 8 divisors (see below), whose sum is σ = 979748952. Its totient is φ = 628044000.

The previous prime is 785055079. The next prime is 785055137. The reversal of 785055125 is 521550587.

It can be written as a sum of positive squares in 4 ways, for example, as 223981156 + 561073969 = 14966^2 + 23687^2 .

It is not a de Polignac number, because 785055125 - 28 = 785054869 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140096 + ... + 3140345.

It is an arithmetic number, because the mean of its divisors is an integer number (122468619).

Almost surely, 2785055125 is an apocalyptic number.

It is an amenable number.

785055125 is a deficient number, since it is larger than the sum of its proper divisors (194693827).

785055125 is an equidigital number, since it uses as much as digits as its factorization.

785055125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280456 (or 6280446 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 785055125 is about 28018.8351827837. The cubic root of 785055125 is about 922.5007283039.

The spelling of 785055125 in words is "seven hundred eighty-five million, fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 6280441 31402205 157011025 785055125