Base | Representation |
---|---|
bin | 1011110010100… |
… | …0001111011101 |
3 | 10110001012202202 |
4 | 2330220033131 |
5 | 100124313101 |
6 | 4523501245 |
7 | 1140204656 |
oct | 274501735 |
9 | 113035682 |
10 | 49447901 |
11 | 25a03a38 |
12 | 14687825 |
13 | a324019 |
14 | 67d252d |
15 | 451b36b |
hex | 2f283dd |
49447901 has 4 divisors (see below), whose sum is σ = 50500032. Its totient is φ = 48395772.
The previous prime is 49447897. The next prime is 49447913. The reversal of 49447901 is 10974494.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10974494 = 2 ⋅5487247.
It is a cyclic number.
It is not a de Polignac number, because 49447901 - 22 = 49447897 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49447501) 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, 525995 + ... + 526088.
It is an arithmetic number, because the mean of its divisors is an integer number (12625008).
Almost surely, 249447901 is an apocalyptic number.
It is an amenable number.
49447901 is a deficient number, since it is larger than the sum of its proper divisors (1052131).
49447901 is a wasteful number, since it uses less digits than its factorization.
49447901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1052130.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 49447901 is about 7031.9201502861. The cubic root of 49447901 is about 367.0421614307.
The spelling of 49447901 in words is "forty-nine million, four hundred forty-seven thousand, nine hundred one".
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