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51168166 = 2731117899
BaseRepresentation
bin1100001100110…
…0001110100110
310120021121112021
43003030032212
5101044340131
65024413354
71160631220
oct303141646
9116247467
1051168166
1126979445
121517725a
13a7a702a
146b1d410
15475ae11
hex30cc3a6

51168166 has 16 divisors (see below), whose sum is σ = 90547200. Its totient is φ = 21221640.

The previous prime is 51168119. The next prime is 51168167. The reversal of 51168166 is 66186115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51168167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58516 + ... + 59383.

It is an arithmetic number, because the mean of its divisors is an integer number (5659200).

Almost surely, 251168166 is an apocalyptic number.

51168166 is a deficient number, since it is larger than the sum of its proper divisors (39379034).

51168166 is a wasteful number, since it uses less digits than its factorization.

51168166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117939.

The product of its digits is 8640, while the sum is 34.

The square root of 51168166 is about 7153.1927137468. The cubic root of 51168166 is about 371.2501322238.

The spelling of 51168166 in words is "fifty-one million, one hundred sixty-eight thousand, one hundred sixty-six".

Divisors: 1 2 7 14 31 62 217 434 117899 235798 825293 1650586 3654869 7309738 25584083 51168166