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51016344 = 2332125681
BaseRepresentation
bin1100001010011…
…1001010011000
310112222220021020
43002213022120
5101030010334
65021242440
71156426461
oct302471230
9115886236
1051016344
1126885375
1215103420
13a752bb2
146abdd68
15472ae49
hex30a7298

51016344 has 16 divisors (see below), whose sum is σ = 127540920. Its totient is φ = 17005440.

The previous prime is 51016331. The next prime is 51016351. The reversal of 51016344 is 44361015.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2125681 = 51016344 / (5 + 1 + 0 + 1 + 6 + 3 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1062817 + ... + 1062864.

Almost surely, 251016344 is an apocalyptic number.

It is an amenable number.

51016344 is an abundant number, since it is smaller than the sum of its proper divisors (76524576).

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

51016344 is a wasteful number, since it uses less digits than its factorization.

51016344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125690 (or 2125686 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51016344 is about 7142.5726457629. The cubic root of 51016344 is about 370.8825874512.

Adding to 51016344 its reverse (44361015), we get a palindrome (95377359).

It can be divided in two parts, 51016 and 344, that added together give a triangular number (51360 = T320).

The spelling of 51016344 in words is "fifty-one million, sixteen thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2125681 4251362 6377043 8502724 12754086 17005448 25508172 51016344