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51004 = 2241311
BaseRepresentation
bin1100011100111100
32120222001
430130330
53113004
61032044
7301462
oct143474
976861
1051004
1135358
1225624
131a2a5
1414832
15101a4
hexc73c

51004 has 12 divisors (see below), whose sum is σ = 91728. Its totient is φ = 24800.

The previous prime is 51001. The next prime is 51031. The reversal of 51004 is 40015.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (7644).

251004 is an apocalyptic number.

It is an amenable number.

51004 is a deficient number, since it is larger than the sum of its proper divisors (40724).

51004 is a wasteful number, since it uses less digits than its factorization.

51004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 51004 is about 225.8406517879. The cubic root of 51004 is about 37.0852671914.

Adding to 51004 its reverse (40015), we get a palindrome (91019).

The spelling of 51004 in words is "fifty-one thousand, four".

Divisors: 1 2 4 41 82 164 311 622 1244 12751 25502 51004