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51010 = 255101
BaseRepresentation
bin1100011101000010
32120222021
430131002
53113020
61032054
7301501
oct143502
976867
1051010
1135363
122562a
131a2ab
1414838
15101aa
hexc742

51010 has 8 divisors (see below), whose sum is σ = 91836. Its totient is φ = 20400.

The previous prime is 51001. The next prime is 51031. The reversal of 51010 is 1015.

51010 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 9801 = 203^2 + 99^2 .

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 50984 and 51002.

It is an unprimeable number.

51010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541 + ... + 2560.

251010 is an apocalyptic number.

51010 is a deficient number, since it is larger than the sum of its proper divisors (40826).

51010 is a wasteful number, since it uses less digits than its factorization.

51010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 51010 is about 225.8539350997. The cubic root of 51010 is about 37.0867213446.

Adding to 51010 its reverse (1015), we get a palindrome (52025).

It can be divided in two parts, 5 and 1010, that multiplied together give a triangular number (5050 = T100).

The spelling of 51010 in words is "fifty-one thousand, ten".

Divisors: 1 2 5 10 5101 10202 25505 51010