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51060605 = 5175211153
BaseRepresentation
bin1100001011000…
…1111101111101
310120002010222112
43002301331331
5101032414410
65022223405
71160002511
oct302617575
9116063875
1051060605
1126905652
1215124b65
13a76a09b
146ad2141
154739105
hex30b1f7d

51060605 has 16 divisors (see below), whose sum is σ = 65057904. Its totient is φ = 38338560.

The previous prime is 51060601. The next prime is 51060617. The reversal of 51060605 is 50606015.

It can be written as a sum of positive squares in 8 ways, for example, as 749956 + 50310649 = 866^2 + 7093^2 .

It is not a de Polignac number, because 51060605 - 22 = 51060601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43709 + ... + 44861.

It is an arithmetic number, because the mean of its divisors is an integer number (4066119).

Almost surely, 251060605 is an apocalyptic number.

It is an amenable number.

51060605 is a deficient number, since it is larger than the sum of its proper divisors (13997299).

51060605 is a wasteful number, since it uses less digits than its factorization.

51060605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51060605 is about 7145.6703674323. The cubic root of 51060605 is about 370.9898138019.

The spelling of 51060605 in words is "fifty-one million, sixty thousand, six hundred five".

Divisors: 1 5 17 85 521 1153 2605 5765 8857 19601 44285 98005 600713 3003565 10212121 51060605