Search a number
-
+
51358941 = 34634061
BaseRepresentation
bin1100001111101…
…0110011011101
310120122022020000
43003322303131
5101121441231
65032444513
71162354344
oct303726335
9116568200
1051358941
1126a99807
1215249739
13a842b0a
146b6cb5b
1547976e6
hex30facdd

51358941 has 10 divisors (see below), whose sum is σ = 76721502. Its totient is φ = 34239240.

The previous prime is 51358933. The next prime is 51358973. The reversal of 51358941 is 14985315.

51358941 is a `hidden beast` number, since 513 + 58 + 94 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 13351716 = 6165^2 + 3654^2 .

It is not a de Polignac number, because 51358941 - 23 = 51358933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51358896 and 51358905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51358981) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 316950 + ... + 317111.

Almost surely, 251358941 is an apocalyptic number.

It is an amenable number.

51358941 is a deficient number, since it is larger than the sum of its proper divisors (25362561).

51358941 is an equidigital number, since it uses as much as digits as its factorization.

51358941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634073 (or 634064 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 51358941 is about 7166.5152619666. The cubic root of 51358941 is about 371.7109487167.

The spelling of 51358941 in words is "fifty-one million, three hundred fifty-eight thousand, nine hundred forty-one".

Divisors: 1 3 9 27 81 634061 1902183 5706549 17119647 51358941