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51796897 = 234383631
BaseRepresentation
bin1100010110010…
…1101110100001
310121110112222121
43011211232201
5101230000042
65050104241
71166160235
oct305455641
9117415877
1051796897
1127268859
121541b081
13a967269
146c445c5
154832367
hex3165ba1

51796897 has 16 divisors (see below), whose sum is σ = 56060928. Its totient is φ = 47733840.

The previous prime is 51796891. The next prime is 51796919. The reversal of 51796897 is 79869715.

It is a happy number.

51796897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51796897 - 215 = 51764129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51796891) 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 15 ways as a sum of consecutive naturals, for example, 81772 + ... + 82402.

It is an arithmetic number, because the mean of its divisors is an integer number (3503808).

Almost surely, 251796897 is an apocalyptic number.

It is an amenable number.

51796897 is a deficient number, since it is larger than the sum of its proper divisors (4264031).

51796897 is a wasteful number, since it uses less digits than its factorization.

51796897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 952560, while the sum is 52.

The square root of 51796897 is about 7197.0061136559. The cubic root of 51796897 is about 372.7645302057.

The spelling of 51796897 in words is "fifty-one million, seven hundred ninety-six thousand, eight hundred ninety-seven".

Divisors: 1 23 43 83 631 989 1909 3569 14513 27133 52373 82087 624059 1204579 2252039 51796897