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51353089 = 238925087
BaseRepresentation
bin1100001111100…
…1011000000001
310120122000012021
43003321120001
5101121244324
65032401441
71162331314
oct303713001
9116560167
1051353089
1126a95377
1215246281
13a840258
146b6a97b
154795ae4
hex30f9601

51353089 has 8 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 48566496.

The previous prime is 51353083. The next prime is 51353123. The reversal of 51353089 is 98035315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51353089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51353083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10497 + ... + 14590.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 251353089 is an apocalyptic number.

It is an amenable number.

51353089 is a deficient number, since it is larger than the sum of its proper divisors (2836991).

51353089 is a wasteful number, since it uses less digits than its factorization.

51353089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25199.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 51353089 is about 7166.1069626402. The cubic root of 51353089 is about 371.6968302071.

The spelling of 51353089 in words is "fifty-one million, three hundred fifty-three thousand, eighty-nine".

Divisors: 1 23 89 2047 25087 577001 2232743 51353089