Base | Representation |
---|---|
bin | 1011110101010… |
… | …1101101100011 |
3 | 10110101200020202 |
4 | 2331111231203 |
5 | 100201243042 |
6 | 4531455415 |
7 | 1141611653 |
oct | 275255543 |
9 | 113350222 |
10 | 49634147 |
11 | 26020962 |
12 | 1475756b |
13 | a38aa24 |
14 | 6840363 |
15 | 4556632 |
hex | 2f55b63 |
49634147 has 4 divisors (see below), whose sum is σ = 49851120. Its totient is φ = 49417176.
The previous prime is 49634113. The next prime is 49634159. The reversal of 49634147 is 74143694.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74143694 = 2 ⋅37071847.
It is a cyclic number.
It is not a de Polignac number, because 49634147 - 28 = 49633891 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49634147.
It is not an unprimeable number, because it can be changed into a prime (49634177) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108143 + ... + 108600.
It is an arithmetic number, because the mean of its divisors is an integer number (12462780).
Almost surely, 249634147 is an apocalyptic number.
49634147 is a deficient number, since it is larger than the sum of its proper divisors (216973).
49634147 is a wasteful number, since it uses less digits than its factorization.
49634147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216972.
The product of its digits is 72576, while the sum is 38.
The square root of 49634147 is about 7045.1506016550. The cubic root of 49634147 is about 367.5024066975.
It can be divided in two parts, 496 and 34147, that added together give a palindrome (34643).
The spelling of 49634147 in words is "forty-nine million, six hundred thirty-four thousand, one hundred forty-seven".
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