Base | Representation |
---|---|
bin | 1011110011110… |
… | …0101000001111 |
3 | 10110012110022120 |
4 | 2330330220033 |
5 | 100140001112 |
6 | 4525344023 |
7 | 1141003302 |
oct | 274745017 |
9 | 113173276 |
10 | 49531407 |
11 | 25a60752 |
12 | 14708013 |
13 | a353033 |
14 | 6814b39 |
15 | 4535e8c |
hex | 2f3ca0f |
49531407 has 4 divisors (see below), whose sum is σ = 66041880. Its totient is φ = 33020936.
The previous prime is 49531393. The next prime is 49531409. The reversal of 49531407 is 70413594.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 49531407 - 214 = 49515023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49531409) 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, 8255232 + ... + 8255237.
It is an arithmetic number, because the mean of its divisors is an integer number (16510470).
Almost surely, 249531407 is an apocalyptic number.
49531407 is a deficient number, since it is larger than the sum of its proper divisors (16510473).
49531407 is a wasteful number, since it uses less digits than its factorization.
49531407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16510472.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 49531407 is about 7037.8552841047. The cubic root of 49531407 is about 367.2486615017.
The spelling of 49531407 in words is "forty-nine million, five hundred thirty-one thousand, four hundred seven".
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