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50561045 = 510112209
BaseRepresentation
bin1100000011100…
…0000000010101
310112010202201022
43000320000111
5100420423140
65003410525
71152522203
oct300700025
9115122638
1050561045
11265a4297
1214b23a45
13a6238a2
146a02073
15468b0b5
hex3038015

50561045 has 4 divisors (see below), whose sum is σ = 60673260. Its totient is φ = 40448832.

The previous prime is 50561039. The next prime is 50561047. The reversal of 50561045 is 54016505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54016505 = 510803301.

It can be written as a sum of positive squares in 2 ways, for example, as 37442161 + 13118884 = 6119^2 + 3622^2 .

It is a cyclic number.

It is not a de Polignac number, because 50561045 - 24 = 50561029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056100 + ... + 5056109.

It is an arithmetic number, because the mean of its divisors is an integer number (15168315).

Almost surely, 250561045 is an apocalyptic number.

It is an amenable number.

50561045 is a deficient number, since it is larger than the sum of its proper divisors (10112215).

50561045 is a wasteful number, since it uses less digits than its factorization.

50561045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112214.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 50561045 is about 7110.6290157763. The cubic root of 50561045 is about 369.7759661530.

The spelling of 50561045 in words is "fifty million, five hundred sixty-one thousand, forty-five".

Divisors: 1 5 10112209 50561045