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51007060 = 22513196181
BaseRepresentation
bin1100001010010…
…0111001010100
310112222102112101
43002210321110
5101024211220
65021131444
71156360426
oct302447124
9115872471
1051007060
11268793a5
12150b9b84
13a74b8c0
146aba816
15472830a
hex30a4e54

51007060 has 24 divisors (see below), whose sum is σ = 115355016. Its totient is φ = 18833280.

The previous prime is 51006983. The next prime is 51007063. The reversal of 51007060 is 6070015.

It can be written as a sum of positive squares in 4 ways, for example, as 795664 + 50211396 = 892^2 + 7086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51007063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97831 + ... + 98350.

It is an arithmetic number, because the mean of its divisors is an integer number (4806459).

Almost surely, 251007060 is an apocalyptic number.

It is an amenable number.

51007060 is an abundant number, since it is smaller than the sum of its proper divisors (64347956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51007060 is a wasteful number, since it uses less digits than its factorization.

51007060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196203 (or 196201 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 51007060 is about 7141.9227103071. The cubic root of 51007060 is about 370.8600882378.

Adding to 51007060 its reverse (6070015), we get a palindrome (57077075).

The spelling of 51007060 in words is "fifty-one million, seven thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 196181 392362 784724 980905 1961810 2550353 3923620 5100706 10201412 12751765 25503530 51007060