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51344299 = 269190871
BaseRepresentation
bin1100001111011…
…1001110101011
310120121120010201
43003313032223
5101121004144
65032253031
71162263556
oct303671653
9116546121
1051344299
1126a89806
1215241177
13a839256
146b6769d
1547931d4
hex30f73ab

51344299 has 4 divisors (see below), whose sum is σ = 51535440. Its totient is φ = 51153160.

The previous prime is 51344291. The next prime is 51344323. The reversal of 51344299 is 99244315.

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 51344299 - 23 = 51344291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51344291) 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, 95167 + ... + 95704.

It is an arithmetic number, because the mean of its divisors is an integer number (12883860).

Almost surely, 251344299 is an apocalyptic number.

51344299 is a deficient number, since it is larger than the sum of its proper divisors (191141).

51344299 is a wasteful number, since it uses less digits than its factorization.

51344299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191140.

The product of its digits is 38880, while the sum is 37.

The square root of 51344299 is about 7165.4936326816. The cubic root of 51344299 is about 371.6756214760.

The spelling of 51344299 in words is "fifty-one million, three hundred forty-four thousand, two hundred ninety-nine".

Divisors: 1 269 190871 51344299