Search a number
-
+
51324202 = 231780953
BaseRepresentation
bin1100001111001…
…0010100101010
310120120112120101
43003302110222
5101114333302
65032020014
71162151146
oct303622452
9116515511
1051324202
1126a756a6
121523160a
13a830067
146b60226
15478c287
hex30f252a

51324202 has 8 divisors (see below), whose sum is σ = 77230116. Its totient is φ = 25580832.

The previous prime is 51324199. The next prime is 51324209. The reversal of 51324202 is 20242315.

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 8826841 = 6519^2 + 2971^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51324202.

It is not an unprimeable number, because it can be changed into a prime (51324209) 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, 39843 + ... + 41110.

Almost surely, 251324202 is an apocalyptic number.

51324202 is a deficient number, since it is larger than the sum of its proper divisors (25905914).

51324202 is a wasteful number, since it uses less digits than its factorization.

51324202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81272.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51324202 is about 7164.0911496156. The cubic root of 51324202 is about 371.6271218380.

Adding to 51324202 its reverse (20242315), we get a palindrome (71566517).

The spelling of 51324202 in words is "fifty-one million, three hundred twenty-four thousand, two hundred two".

Divisors: 1 2 317 634 80953 161906 25662101 51324202