Base | Representation |
---|---|
bin | 1100010001000… |
… | …1100010011101 |
3 | 10120211000221220 |
4 | 3010101202131 |
5 | 101132431221 |
6 | 5034443553 |
7 | 1163223003 |
oct | 304214235 |
9 | 116730856 |
10 | 51452061 |
11 | 27052771 |
12 | 152935b9 |
13 | a87630b |
14 | 6b94a73 |
15 | 47b50c6 |
hex | 311189d |
51452061 has 8 divisors (see below), whose sum is σ = 70968480. Its totient is φ = 33118512.
The previous prime is 51452059. The next prime is 51452077. The reversal of 51452061 is 16025415.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51452061 - 21 = 51452059 is a prime.
It is a super-2 number, since 2×514520612 = 5294629162295442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51452861) 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 7 ways as a sum of consecutive naturals, for example, 295615 + ... + 295788.
It is an arithmetic number, because the mean of its divisors is an integer number (8871060).
Almost surely, 251452061 is an apocalyptic number.
It is an amenable number.
51452061 is a deficient number, since it is larger than the sum of its proper divisors (19516419).
51452061 is a wasteful number, since it uses less digits than its factorization.
51452061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591435.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 51452061 is about 7173.0092011652. The cubic root of 51452061 is about 371.9354654499.
Adding to 51452061 its reverse (16025415), we get a palindrome (67477476).
The spelling of 51452061 in words is "fifty-one million, four hundred fifty-two thousand, sixty-one".
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