Base | Representation |
---|---|
bin | 1100001010101… |
… | …1110000001001 |
3 | 10120000212001120 |
4 | 3002223300021 |
5 | 101031111040 |
6 | 5021505453 |
7 | 1156535340 |
oct | 302536011 |
9 | 116025046 |
10 | 51035145 |
11 | 26898507 |
12 | 15112289 |
13 | a75b615 |
14 | 6ac6b57 |
15 | 47317d0 |
hex | 30abc09 |
51035145 has 32 divisors (see below), whose sum is σ = 96337920. Its totient is φ = 22576320.
The previous prime is 51035143. The next prime is 51035147. The reversal of 51035145 is 54153015.
It is an interprime number because it is at equal distance from previous prime (51035143) and next prime (51035147).
It is not a de Polignac number, because 51035145 - 21 = 51035143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51035143) 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 31 ways as a sum of consecutive naturals, for example, 4585 + ... + 11094.
It is an arithmetic number, because the mean of its divisors is an integer number (3010560).
Almost surely, 251035145 is an apocalyptic number.
It is an amenable number.
51035145 is a deficient number, since it is larger than the sum of its proper divisors (45302775).
51035145 is a wasteful number, since it uses less digits than its factorization.
51035145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15725.
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 51035145 is about 7143.8886469485. Note that the first 3 decimals coincide. The cubic root of 51035145 is about 370.9281421799.
The spelling of 51035145 in words is "fifty-one million, thirty-five thousand, one hundred forty-five".
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