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51114531 = 3131310629
BaseRepresentation
bin1100001011111…
…1001000100011
310120011212221210
43002333020203
5101041131111
65023321203
71160315646
oct302771043
9116155853
1051114531
1126942116
1215150203
13a7887b0
146b07a5d
15474a0a6
hex30bf223

51114531 has 8 divisors (see below), whose sum is σ = 73395280. Its totient is φ = 31455072.

The previous prime is 51114517. The next prime is 51114571. The reversal of 51114531 is 13541115.

It is a happy number.

51114531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51114531 - 210 = 51113507 is a prime.

It is a super-2 number, since 2×511145312 = 5225390558699922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51114498 and 51114507.

It is not an unprimeable number, because it can be changed into a prime (51114571) by changing a digit.

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, 655276 + ... + 655353.

It is an arithmetic number, because the mean of its divisors is an integer number (9174410).

Almost surely, 251114531 is an apocalyptic number.

51114531 is a deficient number, since it is larger than the sum of its proper divisors (22280749).

51114531 is a wasteful number, since it uses less digits than its factorization.

51114531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310645.

The product of its digits is 300, while the sum is 21.

The square root of 51114531 is about 7149.4427055540. The cubic root of 51114531 is about 371.1203708000.

Adding to 51114531 its reverse (13541115), we get a palindrome (64655646).

The spelling of 51114531 in words is "fifty-one million, one hundred fourteen thousand, five hundred thirty-one".

Divisors: 1 3 13 39 1310629 3931887 17038177 51114531