[go: up one dir, main page]

Search a number
-
+
988505879 is a prime number
BaseRepresentation
bin111010111010110…
…110011100010111
32112220001022010212
4322322312130113
54011024142004
6242031040035
733332106224
oct7272663427
92486038125
10988505879
11467a93109
1223707001b
13129a4452a
14953d894b
155bbb096e
hex3aeb6717

988505879 has 2 divisors, whose sum is σ = 988505880. Its totient is φ = 988505878.

The previous prime is 988505863. The next prime is 988505893. The reversal of 988505879 is 978505889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988505879 - 24 = 988505863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988505179) 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 as a sum of consecutive naturals, namely, 494252939 + 494252940.

It is an arithmetic number, because the mean of its divisors is an integer number (494252940).

Almost surely, 2988505879 is an apocalyptic number.

988505879 is a deficient number, since it is larger than the sum of its proper divisors (1).

988505879 is an equidigital number, since it uses as much as digits as its factorization.

988505879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 59.

The square root of 988505879 is about 31440.5133386845. The cubic root of 988505879 is about 996.1538524475.

The spelling of 988505879 in words is "nine hundred eighty-eight million, five hundred five thousand, eight hundred seventy-nine".