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51066205 = 5194711437
BaseRepresentation
bin1100001011001…
…1010101011101
310120002102122221
43002303111131
5101033104310
65022305341
71160025031
oct302632535
9116072587
1051066205
1126909883
1215128251
13a76c7b8
146ad41c1
15473aada
hex30b355d

51066205 has 16 divisors (see below), whose sum is σ = 65882880. Its totient is φ = 37876032.

The previous prime is 51066193. The next prime is 51066217. The reversal of 51066205 is 50266015.

It is an interprime number because it is at equal distance from previous prime (51066193) and next prime (51066217).

It is a cyclic number.

It is not a de Polignac number, because 51066205 - 213 = 51058013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51066205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254 + ... + 10183.

It is an arithmetic number, because the mean of its divisors is an integer number (4117680).

Almost surely, 251066205 is an apocalyptic number.

It is an amenable number.

51066205 is a deficient number, since it is larger than the sum of its proper divisors (14816675).

51066205 is a wasteful number, since it uses less digits than its factorization.

51066205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51066205 is about 7146.0622023601. The cubic root of 51066205 is about 371.0033759014.

It can be divided in two parts, 5106 and 6205, that added together give a palindrome (11311).

The spelling of 51066205 in words is "fifty-one million, sixty-six thousand, two hundred five".

Divisors: 1 5 19 47 95 235 893 4465 11437 57185 217303 537539 1086515 2687695 10213241 51066205