Search a number
-
+
47980255 = 579121469
BaseRepresentation
bin1011011100000…
…1111011011111
310100021122112111
42313001323133
544240332010
64432214451
71121553061
oct267017337
9110248474
1047980255
11250a1304
121409a427
139c2bcab
14652d731
15432b58a
hex2dc1edf

47980255 has 8 divisors (see below), whose sum is σ = 58305600. Its totient is φ = 37898016.

The previous prime is 47980253. The next prime is 47980259. The reversal of 47980255 is 55208974.

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 47980255 - 21 = 47980253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47980253) 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, 60340 + ... + 61129.

It is an arithmetic number, because the mean of its divisors is an integer number (7288200).

Almost surely, 247980255 is an apocalyptic number.

47980255 is a deficient number, since it is larger than the sum of its proper divisors (10325345).

47980255 is a wasteful number, since it uses less digits than its factorization.

47980255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121553.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 47980255 is about 6926.7781110701. The cubic root of 47980255 is about 363.3742797235.

The spelling of 47980255 in words is "forty-seven million, nine hundred eighty thousand, two hundred fifty-five".

Divisors: 1 5 79 395 121469 607345 9596051 47980255