Search a number
-
+
561011050 = 25217660013
BaseRepresentation
bin100001011100000…
…101100101101010
31110002122022111001
4201130011211222
52122104323200
6131400225214
716621341505
oct4134054552
91402568431
10561011050
112687489a6
12137a6b20a
138c2c7302
145471813c
15343ba76a
hex2170596a

561011050 has 24 divisors (see below), whose sum is σ = 1104863436. Its totient is φ = 211203840.

The previous prime is 561011047. The next prime is 561011051. The reversal of 561011050 is 50110165.

It can be written as a sum of positive squares in 6 ways, for example, as 229734649 + 331276401 = 15157^2 + 18201^2 .

It is not an unprimeable number, because it can be changed into a prime (561011051) by changing a digit.

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, 329157 + ... + 330856.

Almost surely, 2561011050 is an apocalyptic number.

561011050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561011050 is a deficient number, since it is larger than the sum of its proper divisors (543852386).

561011050 is a wasteful number, since it uses less digits than its factorization.

561011050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660042 (or 660037 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 561011050 is about 23685.6718291882. The cubic root of 561011050 is about 824.7528123849.

The spelling of 561011050 in words is "five hundred sixty-one million, eleven thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 660013 1320026 3300065 6600130 11220221 16500325 22440442 33000650 56101105 112202210 280505525 561011050