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51106 = 21123101
BaseRepresentation
bin1100011110100010
32121002211
430132202
53113411
61032334
7301666
oct143642
977084
1051106
1135440
12256aa
131a353
14148a6
1510221
hexc7a2

51106 has 16 divisors (see below), whose sum is σ = 88128. Its totient is φ = 22000.

The previous prime is 51071. The next prime is 51109. The reversal of 51106 is 60115.

51106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511062 = 5223646472, which contains 22 as substring.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (51109) 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, 456 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (5508).

251106 is an apocalyptic number.

51106 is a deficient number, since it is larger than the sum of its proper divisors (37022).

51106 is a wasteful number, since it uses less digits than its factorization.

51106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 51106 is about 226.0663619383. The cubic root of 51106 is about 37.1099723025.

Subtracting from 51106 its product of nonzero digits (30), we obtain a square (51076 = 2262).

Subtracting 51106 from its reverse (60115), we obtain a palindrome (9009).

It can be divided in two parts, 5 and 1106, that added together give a palindrome (1111).

The spelling of 51106 in words is "fifty-one thousand, one hundred six".

Divisors: 1 2 11 22 23 46 101 202 253 506 1111 2222 2323 4646 25553 51106