Base | Representation |
---|---|
bin | 1011110000000… |
… | …0110001100111 |
3 | 10102202000000120 |
4 | 2330000301213 |
5 | 100104124442 |
6 | 4520213023 |
7 | 1135632453 |
oct | 274006147 |
9 | 112660016 |
10 | 49286247 |
11 | 2590353a |
12 | 1460a173 |
13 | a29857a |
14 | 678d663 |
15 | 44d84ec |
hex | 2f00c67 |
49286247 has 24 divisors (see below), whose sum is σ = 73462896. Its totient is φ = 29286144.
The previous prime is 49286239. The next prime is 49286273. The reversal of 49286247 is 74268294.
It is not a de Polignac number, because 49286247 - 23 = 49286239 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49286199 and 49286208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49286047) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17073 + ... + 19749.
It is an arithmetic number, because the mean of its divisors is an integer number (3060954).
Almost surely, 249286247 is an apocalyptic number.
49286247 is a deficient number, since it is larger than the sum of its proper divisors (24176649).
49286247 is a wasteful number, since it uses less digits than its factorization.
49286247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2735 (or 2716 counting only the distinct ones).
The product of its digits is 193536, while the sum is 42.
The square root of 49286247 is about 7020.4164406394. The cubic root of 49286247 is about 366.6417493628.
It can be divided in two parts, 4928 and 6247, that added together give a triangular number (11175 = T149).
The spelling of 49286247 in words is "forty-nine million, two hundred eighty-six thousand, two hundred forty-seven".
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