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51265049 = 1111341243
BaseRepresentation
bin1100001110001…
…1111000011001
310120110112102112
43003203320121
5101110440144
65030442105
71161513533
oct303437031
9116415375
1051265049
1126a35210
1215203335
13a80c164
146b46853
15477999e
hex30e3e19

51265049 has 8 divisors (see below), whose sum is σ = 56421792. Its totient is φ = 46191040.

The previous prime is 51265031. The next prime is 51265051. The reversal of 51265049 is 94056215.

It is a happy number.

51265049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51265049 - 212 = 51260953 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (51265079) 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, 19379 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (7052724).

Almost surely, 251265049 is an apocalyptic number.

It is an amenable number.

51265049 is a deficient number, since it is larger than the sum of its proper divisors (5156743).

51265049 is a wasteful number, since it uses less digits than its factorization.

51265049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41367.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 51265049 is about 7159.9615222430. The cubic root of 51265049 is about 371.4842957181.

The spelling of 51265049 in words is "fifty-one million, two hundred sixty-five thousand, forty-nine".

Divisors: 1 11 113 1243 41243 453673 4660459 51265049