Base | Representation |
---|---|
bin | 1011110001011… |
… | …1101110001111 |
3 | 10102220202221202 |
4 | 2330113232033 |
5 | 100120131424 |
6 | 4522220115 |
7 | 1136503466 |
oct | 274275617 |
9 | 112822852 |
10 | 49380239 |
11 | 25968117 |
12 | 1465463b |
13 | a2cc29c |
14 | 67b59dd |
15 | 45062ae |
hex | 2f17b8f |
49380239 has 8 divisors (see below), whose sum is σ = 50013600. Its totient is φ = 48751200.
The previous prime is 49380203. The next prime is 49380251. The reversal of 49380239 is 93208394.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49380239 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 (49380299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26054 + ... + 27884.
It is an arithmetic number, because the mean of its divisors is an integer number (6251700).
Almost surely, 249380239 is an apocalyptic number.
49380239 is a deficient number, since it is larger than the sum of its proper divisors (633361).
49380239 is a wasteful number, since it uses less digits than its factorization.
49380239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2161.
The product of its (nonzero) digits is 46656, while the sum is 38.
The square root of 49380239 is about 7027.1074418995. The cubic root of 49380239 is about 366.8746710525.
The spelling of 49380239 in words is "forty-nine million, three hundred eighty thousand, two hundred thirty-nine".
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