Search a number
-
+
51252302 = 243595957
BaseRepresentation
bin1100001110000…
…0110001001110
310120102212221102
43003200301032
5101110033202
65030303102
71161431423
oct303406116
9116385842
1051252302
1126a26682
12151b7a92
13a80640a
146b41d4a
154775d02
hex30e0c4e

51252302 has 8 divisors (see below), whose sum is σ = 78666456. Its totient is φ = 25030152.

The previous prime is 51252283. The next prime is 51252307. The reversal of 51252302 is 20325215.

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 (51252307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 297893 + ... + 298064.

It is an arithmetic number, because the mean of its divisors is an integer number (9833307).

Almost surely, 251252302 is an apocalyptic number.

51252302 is a deficient number, since it is larger than the sum of its proper divisors (27414154).

51252302 is a wasteful number, since it uses less digits than its factorization.

51252302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596002.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51252302 is about 7159.0713084869. The cubic root of 51252302 is about 371.4535034405.

Adding to 51252302 its reverse (20325215), we get a palindrome (71577517).

The spelling of 51252302 in words is "fifty-one million, two hundred fifty-two thousand, three hundred two".

Divisors: 1 2 43 86 595957 1191914 25626151 51252302