Base | Representation |
---|---|
bin | 1100001010100… |
… | …0111001011110 |
3 | 10120000021000120 |
4 | 3002220321132 |
5 | 101030222304 |
6 | 5021335410 |
7 | 1156456266 |
oct | 302507136 |
9 | 116007016 |
10 | 51023454 |
11 | 2688a749 |
12 | 15107566 |
13 | a7561c1 |
14 | 6ac27a6 |
15 | 472d0d9 |
hex | 30a8e5e |
51023454 has 16 divisors (see below), whose sum is σ = 102159120. Its totient is φ = 16989120.
The previous prime is 51023449. The next prime is 51023491. The reversal of 51023454 is 45432015.
51023454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
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, 1962 + ... + 10290.
It is an arithmetic number, because the mean of its divisors is an integer number (6384945).
Almost surely, 251023454 is an apocalyptic number.
51023454 is an abundant number, since it is smaller than the sum of its proper divisors (51135666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51023454 is a wasteful number, since it uses less digits than its factorization.
51023454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9355.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 51023454 is about 7143.0703482466. The cubic root of 51023454 is about 370.8998162613.
Adding to 51023454 its reverse (45432015), we get a palindrome (96455469).
The spelling of 51023454 in words is "fifty-one million, twenty-three thousand, four hundred fifty-four".
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