Search a number
-
+
53849015 = 5113131583
BaseRepresentation
bin1100110101101…
…0101110110111
310202022210221222
43031122232313
5102241132030
65202100555
71222465133
oct315325667
9122283858
1053849015
112843a620
121604a75b
13b20532c
14721a3c3
154ada3e5
hex335abb7

53849015 has 16 divisors (see below), whose sum is σ = 72769536. Its totient is φ = 37898400.

The previous prime is 53849009. The next prime is 53849041. The reversal of 53849015 is 51094835.

53849015 = 2152 + 2162 + ... + 5552.

It is not a de Polignac number, because 53849015 - 28 = 53848759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14087 + ... + 17496.

It is an arithmetic number, because the mean of its divisors is an integer number (4548096).

Almost surely, 253849015 is an apocalyptic number.

53849015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53849015 is a deficient number, since it is larger than the sum of its proper divisors (18920521).

53849015 is a wasteful number, since it uses less digits than its factorization.

53849015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31630.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 53849015 is about 7338.1888092362. The cubic root of 53849015 is about 377.6237098751.

The spelling of 53849015 in words is "fifty-three million, eight hundred forty-nine thousand, fifteen".

Divisors: 1 5 11 31 55 155 341 1705 31583 157915 347413 979073 1737065 4895365 10769803 53849015