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51344023 = 192702317
BaseRepresentation
bin1100001111011…
…1001010010111
310120121112202111
43003313022113
5101121002043
65032251451
71162263013
oct303671227
9116545674
1051344023
1126a89585
1215240b87
13a8390a3
146b67543
15479309d
hex30f7297

51344023 has 4 divisors (see below), whose sum is σ = 54046360. Its totient is φ = 48641688.

The previous prime is 51344017. The next prime is 51344053. The reversal of 51344023 is 32044315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51344023 - 25 = 51343991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51343985 and 51344003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351140 + ... + 1351177.

It is an arithmetic number, because the mean of its divisors is an integer number (13511590).

Almost surely, 251344023 is an apocalyptic number.

51344023 is a deficient number, since it is larger than the sum of its proper divisors (2702337).

51344023 is a wasteful number, since it uses less digits than its factorization.

51344023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702336.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51344023 is about 7165.4743736894. The cubic root of 51344023 is about 371.6749554972.

Adding to 51344023 its reverse (32044315), we get a palindrome (83388338).

The spelling of 51344023 in words is "fifty-one million, three hundred forty-four thousand, twenty-three".

Divisors: 1 19 2702317 51344023