Search a number
-
+
51051288 = 23315114087
BaseRepresentation
bin1100001010111…
…1101100011000
310120001200012110
43002233230120
5101032120123
65022112320
71156633401
oct302575430
9116050173
1051051288
11268a9652
121511b6a0
13a765a82
146acc9a8
154736493
hex30afb18

51051288 has 32 divisors (see below), whose sum is σ = 128482560. Its totient is φ = 16903200.

The previous prime is 51051241. The next prime is 51051311. The reversal of 51051288 is 88215015.

51051288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (4015080).

Almost surely, 251051288 is an apocalyptic number.

It is an amenable number.

51051288 is an abundant number, since it is smaller than the sum of its proper divisors (77431272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51051288 is a wasteful number, since it uses less digits than its factorization.

51051288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247 (or 14243 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 51051288 is about 7145.0184044550. The cubic root of 51051288 is about 370.9672476614.

The spelling of 51051288 in words is "fifty-one million, fifty-one thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 151 302 453 604 906 1208 1812 3624 14087 28174 42261 56348 84522 112696 169044 338088 2127137 4254274 6381411 8508548 12762822 17017096 25525644 51051288