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51349348 = 2212837337
BaseRepresentation
bin1100001111100…
…0011101100100
310120121211001201
43003320131210
5101121134343
65032332244
71162314361
oct303703544
9116554051
1051349348
1126a92586
1215244084
13a83b63b
146b69468
15479494d
hex30f8764

51349348 has 6 divisors (see below), whose sum is σ = 89861366. Its totient is φ = 25674672.

The previous prime is 51349339. The next prime is 51349349. The reversal of 51349348 is 84394315.

51349348 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 only one way, i.e., 27123264 + 24226084 = 5208^2 + 4922^2 .

It is not an unprimeable number, because it can be changed into a prime (51349349) 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 as a sum of consecutive naturals, namely, 6418665 + ... + 6418672.

Almost surely, 251349348 is an apocalyptic number.

It is an amenable number.

51349348 is a deficient number, since it is larger than the sum of its proper divisors (38512018).

51349348 is a wasteful number, since it uses less digits than its factorization.

51349348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837341 (or 12837339 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 51349348 is about 7165.8459375010. The cubic root of 51349348 is about 371.6878041249.

The spelling of 51349348 in words is "fifty-one million, three hundred forty-nine thousand, three hundred forty-eight".

Divisors: 1 2 4 12837337 25674674 51349348