Search a number
-
+
51329806 = 2112333173
BaseRepresentation
bin1100001111001…
…1101100001110
310120120211020221
43003303230032
5101120023211
65032101554
71162203403
oct303635416
9116524227
1051329806
1126a79930
12152348ba
13a832788
146b622aa
15478dc71
hex30f3b0e

51329806 has 8 divisors (see below), whose sum is σ = 83994264. Its totient is φ = 23331720.

The previous prime is 51329743. The next prime is 51329807. The reversal of 51329806 is 60892315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51329807) 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, 1166565 + ... + 1166608.

It is an arithmetic number, because the mean of its divisors is an integer number (10499283).

Almost surely, 251329806 is an apocalyptic number.

51329806 is a deficient number, since it is larger than the sum of its proper divisors (32664458).

51329806 is a wasteful number, since it uses less digits than its factorization.

51329806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333186.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 51329806 is about 7164.4822562415. The cubic root of 51329806 is about 371.6406471179.

The spelling of 51329806 in words is "fifty-one million, three hundred twenty-nine thousand, eight hundred six".

Divisors: 1 2 11 22 2333173 4666346 25664903 51329806