Search a number
-
+
51323034 = 2371771881
BaseRepresentation
bin1100001111001…
…0000010011010
310120120110222010
43003302002122
5101114314114
65032010350
71162144560
oct303620232
9116513863
1051323034
1126a74834
12152309b6
13a82c679
146b5da30
15478bc59
hex30f209a

51323034 has 32 divisors (see below), whose sum is σ = 124212096. Its totient is φ = 13800960.

The previous prime is 51323029. The next prime is 51323071. The reversal of 51323034 is 43032315.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51323034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35227 + ... + 36654.

It is an arithmetic number, because the mean of its divisors is an integer number (3881628).

Almost surely, 251323034 is an apocalyptic number.

51323034 is an abundant number, since it is smaller than the sum of its proper divisors (72889062).

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

51323034 is a wasteful number, since it uses less digits than its factorization.

51323034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71910.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 51323034 is about 7164.0096314843. The cubic root of 51323034 is about 371.6243027406.

Adding to 51323034 its reverse (43032315), we get a palindrome (94355349).

The spelling of 51323034 in words is "fifty-one million, three hundred twenty-three thousand, thirty-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 71881 143762 215643 431286 503167 1006334 1221977 1509501 2443954 3019002 3665931 7331862 8553839 17107678 25661517 51323034