Base | Representation |
---|---|
bin | 1100010000011… |
… | …1111111000010 |
3 | 10120202001021121 |
4 | 3010013333002 |
5 | 101130203210 |
6 | 5033542454 |
7 | 1163000632 |
oct | 304077702 |
9 | 116661247 |
10 | 51412930 |
11 | 27026328 |
12 | 15274a2a |
13 | a86156a |
14 | 6b846c2 |
15 | 47a86da |
hex | 3107fc2 |
51412930 has 16 divisors (see below), whose sum is σ = 97987320. Its totient is φ = 19355392.
The previous prime is 51412927. The next prime is 51412931. The reversal of 51412930 is 3921415.
51412930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 48566961 + 2845969 = 6969^2 + 1687^2 .
It is a junction number, because it is equal to n+sod(n) for n = 51412895 and 51412904.
It is not an unprimeable number, because it can be changed into a prime (51412931) 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, 151045 + ... + 151384.
Almost surely, 251412930 is an apocalyptic number.
51412930 is a deficient number, since it is larger than the sum of its proper divisors (46574390).
51412930 is a wasteful number, since it uses less digits than its factorization.
51412930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302453.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 51412930 is about 7170.2810265707. The cubic root of 51412930 is about 371.8411517812.
The spelling of 51412930 in words is "fifty-one million, four hundred twelve thousand, nine hundred thirty".
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