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2525057505 = 32556112389
BaseRepresentation
bin1001011010000001…
…0101000111100001
320111222100012201100
42112200111013201
520132403320010
61054320425013
7116400430455
oct22640250741
96458305640
102525057505
111086369093
125a5778169
13313193889
1419d4d4665
15eba2a2c0
hex968151e1

2525057505 has 12 divisors (see below), whose sum is σ = 4376766420. Its totient is φ = 1346697312.

The previous prime is 2525057473. The next prime is 2525057519. The reversal of 2525057505 is 5057505252.

2525057505 is a `hidden beast` number, since 2 + 52 + 50 + 57 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 531256401 + 1993801104 = 23049^2 + 44652^2 .

It is not a de Polignac number, because 2525057505 - 25 = 2525057473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525057505.

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 11 ways as a sum of consecutive naturals, for example, 28056150 + ... + 28056239.

It is an arithmetic number, because the mean of its divisors is an integer number (364730535).

Almost surely, 22525057505 is an apocalyptic number.

It is an amenable number.

2525057505 is a deficient number, since it is larger than the sum of its proper divisors (1851708915).

2525057505 is a wasteful number, since it uses less digits than its factorization.

2525057505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56112400 (or 56112397 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 2525057505 is about 50249.9502984829. The cubic root of 2525057505 is about 1361.7281780768.

The spelling of 2525057505 in words is "two billion, five hundred twenty-five million, fifty-seven thousand, five hundred five".

Divisors: 1 3 5 9 15 45 56112389 168337167 280561945 505011501 841685835 2525057505