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50725625 = 54277293
BaseRepresentation
bin1100000110000…
…0001011111001
310112110010110212
43001200023321
5100441210000
65011120505
71154106056
oct301401371
9115403425
1050725625
11266a6a05
1214ba3135
13a680782
146a4602d
1546bec35
hex30602f9

50725625 has 20 divisors (see below), whose sum is σ = 63832692. Its totient is φ = 40296000.

The previous prime is 50725607. The next prime is 50725667. The reversal of 50725625 is 52652705.

It can be written as a sum of positive squares in 10 ways, for example, as 34621456 + 16104169 = 5884^2 + 4013^2 .

It is not a de Polignac number, because 50725625 - 28 = 50725369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50725591 and 50725600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172979 + ... + 173271.

Almost surely, 250725625 is an apocalyptic number.

It is an amenable number.

50725625 is a deficient number, since it is larger than the sum of its proper divisors (13107067).

50725625 is an equidigital number, since it uses as much as digits as its factorization.

50725625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 50725625 is about 7122.1924293015. The cubic root of 50725625 is about 370.1767477924.

The spelling of 50725625 in words is "fifty million, seven hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 277 293 625 1385 1465 6925 7325 34625 36625 81161 173125 183125 405805 2029025 10145125 50725625