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51007364 = 2212751841
BaseRepresentation
bin1100001010010…
…0111110000100
310112222102221122
43002210332010
5101024213424
65021133112
71156361342
oct302447604
9115872848
1051007364
1126879651
12150ba198
13a74ba95
146aba992
15472845e
hex30a4f84

51007364 has 6 divisors (see below), whose sum is σ = 89262894. Its totient is φ = 25503680.

The previous prime is 51007357. The next prime is 51007367. The reversal of 51007364 is 46370015.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 21086464 = 5470^2 + 4592^2 .

It is not an unprimeable number, because it can be changed into a prime (51007367) 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 as a sum of consecutive naturals, namely, 6375917 + ... + 6375924.

It is an arithmetic number, because the mean of its divisors is an integer number (14877149).

Almost surely, 251007364 is an apocalyptic number.

It is an amenable number.

51007364 is a deficient number, since it is larger than the sum of its proper divisors (38255530).

51007364 is a wasteful number, since it uses less digits than its factorization.

51007364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751845 (or 12751843 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51007364 is about 7141.9439930596. The cubic root of 51007364 is about 370.8608250067.

Adding to 51007364 its reverse (46370015), we get a palindrome (97377379).

The spelling of 51007364 in words is "fifty-one million, seven thousand, three hundred sixty-four".

Divisors: 1 2 4 12751841 25503682 51007364