Search a number
-
+
48179987 is a prime number
BaseRepresentation
bin1011011111001…
…0101100010011
310100122210111222
42313302230103
544313224422
64440355255
71123344302
oct267625423
9110583458
1048179987
1125218379
1214175b2b
139c9bb8b
146582439
15436a842
hex2df2b13

48179987 has 2 divisors, whose sum is σ = 48179988. Its totient is φ = 48179986.

The previous prime is 48179977. The next prime is 48179993. The reversal of 48179987 is 78997184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48179987 - 220 = 47131411 is a prime.

It is a super-2 number, since 2×481799872 = 4642622294640338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48179977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24089993 + 24089994.

It is an arithmetic number, because the mean of its divisors is an integer number (24089994).

Almost surely, 248179987 is an apocalyptic number.

48179987 is a deficient number, since it is larger than the sum of its proper divisors (1).

48179987 is an equidigital number, since it uses as much as digits as its factorization.

48179987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 53.

The square root of 48179987 is about 6941.1805191912. The cubic root of 48179987 is about 363.8777993172.

The spelling of 48179987 in words is "forty-eight million, one hundred seventy-nine thousand, nine hundred eighty-seven".