Base | Representation |
---|---|
bin | 1011111101001… |
… | …0100010100111 |
3 | 10111100122121210 |
4 | 2333102202213 |
5 | 100314123242 |
6 | 4550442503 |
7 | 1146141432 |
oct | 277224247 |
9 | 114318553 |
10 | 50145447 |
11 | 26340020 |
12 | 14963433 |
13 | a509681 |
14 | 6934819 |
15 | 4607d9c |
hex | 2fd28a7 |
50145447 has 16 divisors (see below), whose sum is σ = 73651968. Its totient is φ = 30094080.
The previous prime is 50145409. The next prime is 50145493. The reversal of 50145447 is 74454105.
It is not a de Polignac number, because 50145447 - 214 = 50129063 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50145647) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3978 + ... + 10775.
It is an arithmetic number, because the mean of its divisors is an integer number (4603248).
Almost surely, 250145447 is an apocalyptic number.
50145447 is a deficient number, since it is larger than the sum of its proper divisors (23506521).
50145447 is a wasteful number, since it uses less digits than its factorization.
50145447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14870.
The product of its (nonzero) digits is 11200, while the sum is 30.
The square root of 50145447 is about 7081.3449993628. The cubic root of 50145447 is about 368.7600249309.
It can be divided in two parts, 501454 and 47, that added together give a triangular number (501501 = T1001).
The spelling of 50145447 in words is "fifty million, one hundred forty-five thousand, four hundred forty-seven".
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