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51350589 = 325705621
BaseRepresentation
bin1100001111100…
…0110000111101
310120121212202200
43003320300331
5101121204324
65032342113
71162321113
oct303706075
9116555680
1051350589
1126a93504
1215244939
13a83c084
146b69ab3
154794ec9
hex30f8c3d

51350589 has 6 divisors (see below), whose sum is σ = 74173086. Its totient is φ = 34233720.

The previous prime is 51350581. The next prime is 51350599. The reversal of 51350589 is 98505315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30802500 + 20548089 = 5550^2 + 4533^2 .

It is not a de Polignac number, because 51350589 - 23 = 51350581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2852802 + ... + 2852819.

It is an arithmetic number, because the mean of its divisors is an integer number (12362181).

Almost surely, 251350589 is an apocalyptic number.

It is an amenable number.

51350589 is a deficient number, since it is larger than the sum of its proper divisors (22822497).

51350589 is a wasteful number, since it uses less digits than its factorization.

51350589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705627 (or 5705624 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 51350589 is about 7165.9325282897. The cubic root of 51350589 is about 371.6907983911.

The spelling of 51350589 in words is "fifty-one million, three hundred fifty thousand, five hundred eighty-nine".

Divisors: 1 3 9 5705621 17116863 51350589