Base | Representation |
---|---|
bin | 1100001100010… |
… | …1110001110001 |
3 | 10120020021021201 |
4 | 3003011301301 |
5 | 101043013440 |
6 | 5024051201 |
7 | 1160461204 |
oct | 303056161 |
9 | 116207251 |
10 | 51141745 |
11 | 26960606 |
12 | 15163b01 |
13 | a797cb5 |
14 | 6b1393b |
15 | 475319a |
hex | 30c5c71 |
51141745 has 8 divisors (see below), whose sum is σ = 61839360. Its totient is φ = 40600560.
The previous prime is 51141743. The next prime is 51141799. The reversal of 51141745 is 54714115.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51141745 - 21 = 51141743 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51141743) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38385 + ... + 39694.
It is an arithmetic number, because the mean of its divisors is an integer number (7729920).
Almost surely, 251141745 is an apocalyptic number.
It is an amenable number.
51141745 is a deficient number, since it is larger than the sum of its proper divisors (10697615).
51141745 is a wasteful number, since it uses less digits than its factorization.
51141745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78215.
The product of its digits is 2800, while the sum is 28.
The square root of 51141745 is about 7151.3456775631. The cubic root of 51141745 is about 371.1862221193.
It can be divided in two parts, 5114 and 1745, that added together give a cube (6859 = 193).
The spelling of 51141745 in words is "fifty-one million, one hundred forty-one thousand, seven hundred forty-five".
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