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51243410 = 2545711213
BaseRepresentation
bin1100001101111…
…0100110010010
310120102102202002
43003132212102
5101104242120
65030154002
71161363461
oct303364622
9116372662
1051243410
1126a1aa29
12151b2902
13a80235a
146b3c9d8
154773375
hex30de992

51243410 has 16 divisors (see below), whose sum is σ = 92448216. Its totient is φ = 20450688.

The previous prime is 51243391. The next prime is 51243419. The reversal of 51243410 is 1434215.

51243410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37173409 + 14070001 = 6097^2 + 3751^2 .

It is not an unprimeable number, because it can be changed into a prime (51243419) 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 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 10176.

Almost surely, 251243410 is an apocalyptic number.

51243410 is a deficient number, since it is larger than the sum of its proper divisors (41204806).

51243410 is a wasteful number, since it uses less digits than its factorization.

51243410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51243410 is about 7158.4502512765. The cubic root of 51243410 is about 371.4320204667.

Adding to 51243410 its reverse (1434215), we get a palindrome (52677625).

The spelling of 51243410 in words is "fifty-one million, two hundred forty-three thousand, four hundred ten".

Divisors: 1 2 5 10 457 914 2285 4570 11213 22426 56065 112130 5124341 10248682 25621705 51243410