Base | Representation |
---|---|
bin | 1011110011001… |
… | …1110111000001 |
3 | 10110010122001021 |
4 | 2330303313001 |
5 | 100132323424 |
6 | 4524505441 |
7 | 1140463501 |
oct | 274636701 |
9 | 113118037 |
10 | 49495489 |
11 | 25a3676a |
12 | 146ab281 |
13 | a33c894 |
14 | 6805a01 |
15 | 452a4e4 |
hex | 2f33dc1 |
49495489 has 4 divisors (see below), whose sum is σ = 51202260. Its totient is φ = 47788720.
The previous prime is 49495477. The next prime is 49495553. The reversal of 49495489 is 98459494.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27217089 + 22278400 = 5217^2 + 4720^2 .
It is a cyclic number.
It is not a de Polignac number, because 49495489 - 211 = 49493441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49495409) 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, 853342 + ... + 853399.
It is an arithmetic number, because the mean of its divisors is an integer number (12800565).
Almost surely, 249495489 is an apocalyptic number.
It is an amenable number.
49495489 is a deficient number, since it is larger than the sum of its proper divisors (1706771).
49495489 is a wasteful number, since it uses less digits than its factorization.
49495489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1706770.
The product of its digits is 1866240, while the sum is 52.
The square root of 49495489 is about 7035.3030496205. The cubic root of 49495489 is about 367.1598691712.
The spelling of 49495489 in words is "forty-nine million, four hundred ninety-five thousand, four hundred eighty-nine".
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