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51340054 = 265938953
BaseRepresentation
bin1100001111011…
…0001100010110
310120121100022111
43003312030112
5101120340204
65032221234
71162245313
oct303661426
9116540274
1051340054
1126a865a7
121523a81a
13a83733c
146b65d0a
154791d04
hex30f6316

51340054 has 8 divisors (see below), whose sum is σ = 77128920. Its totient is φ = 25630416.

The previous prime is 51340049. The next prime is 51340057. The reversal of 51340054 is 45004315.

51340054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×513400542 = 5271602289445832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51340057) 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 3 ways as a sum of consecutive naturals, for example, 18159 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (9641115).

Almost surely, 251340054 is an apocalyptic number.

51340054 is a deficient number, since it is larger than the sum of its proper divisors (25788866).

51340054 is a wasteful number, since it uses less digits than its factorization.

51340054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39614.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51340054 is about 7165.1974152845. The cubic root of 51340054 is about 371.6653781674.

Adding to 51340054 its reverse (45004315), we get a palindrome (96344369).

The spelling of 51340054 in words is "fifty-one million, three hundred forty thousand, fifty-four".

Divisors: 1 2 659 1318 38953 77906 25670027 51340054