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561060025 = 52192694391
BaseRepresentation
bin100001011100010…
…001100010111001
31110002201210122221
4201130101202321
52122112410100
6131401244041
716621634341
oct4134214271
91402653587
10561060025
11268781779
12137a93621
138c3136a6
145472bd21
15343ca01a
hex217118b9

561060025 has 24 divisors (see below), whose sum is σ = 735220800. Its totient is φ = 423547200.

The previous prime is 561060007. The next prime is 561060089. The reversal of 561060025 is 520060165.

It is not a de Polignac number, because 561060025 - 211 = 561057977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 125580 + ... + 129970.

It is an arithmetic number, because the mean of its divisors is an integer number (30634200).

Almost surely, 2561060025 is an apocalyptic number.

It is an amenable number.

561060025 is a deficient number, since it is larger than the sum of its proper divisors (174160775).

561060025 is a wasteful number, since it uses less digits than its factorization.

561060025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 561060025 is about 23686.7056595044. The cubic root of 561060025 is about 824.7768113736.

The spelling of 561060025 in words is "five hundred sixty-one million, sixty thousand, twenty-five".

Divisors: 1 5 19 25 95 269 475 1345 4391 5111 6725 21955 25555 83429 109775 127775 417145 1181179 2085725 5905895 22442401 29529475 112212005 561060025