Base | Representation |
---|---|
bin | 1011101101111… |
… | …1100110110111 |
3 | 10102111002122212 |
4 | 2323133212313 |
5 | 100040303031 |
6 | 4513244035 |
7 | 1134525413 |
oct | 273374667 |
9 | 112432585 |
10 | 49150391 |
11 | 25820464 |
12 | 1456361b |
13 | a24b794 |
14 | 6755d43 |
15 | 44ad12b |
hex | 2edf9b7 |
49150391 has 8 divisors (see below), whose sum is σ = 50314944. Its totient is φ = 47990880.
The previous prime is 49150373. The next prime is 49150399. The reversal of 49150391 is 19305194.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49150391 - 26 = 49150327 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 (49150399) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24461 + ... + 26393.
It is an arithmetic number, because the mean of its divisors is an integer number (6289368).
Almost surely, 249150391 is an apocalyptic number.
49150391 is a deficient number, since it is larger than the sum of its proper divisors (1164553).
49150391 is a wasteful number, since it uses less digits than its factorization.
49150391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2521.
The product of its (nonzero) digits is 4860, while the sum is 32.
The square root of 49150391 is about 7010.7339843985. The cubic root of 49150391 is about 366.3045605135.
The spelling of 49150391 in words is "forty-nine million, one hundred fifty thousand, three hundred ninety-one".
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