Search a number
-
+
489941437 = 1792737103
BaseRepresentation
bin11101001100111…
…110100110111101
31021010220121022011
4131030332212331
52000411111222
6120341051221
715066301456
oct3514764675
91233817264
10489941437
11231617287
121180b6b11
137a67299b
14490d812d
152d02cc77
hex1d33e9bd

489941437 has 4 divisors (see below), whose sum is σ = 492678720. Its totient is φ = 487204156.

The previous prime is 489941407. The next prime is 489941443. The reversal of 489941437 is 734149984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489941437 - 211 = 489939389 is a prime.

It is a super-2 number, since 2×4899414372 = 480085223379249938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489941407) 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 3 ways as a sum of consecutive naturals, for example, 1368373 + ... + 1368730.

It is an arithmetic number, because the mean of its divisors is an integer number (123169680).

Almost surely, 2489941437 is an apocalyptic number.

It is an amenable number.

489941437 is a deficient number, since it is larger than the sum of its proper divisors (2737283).

489941437 is a wasteful number, since it uses less digits than its factorization.

489941437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737282.

The product of its digits is 870912, while the sum is 49.

The square root of 489941437 is about 22134.6207783192. The cubic root of 489941437 is about 788.3421072237.

The spelling of 489941437 in words is "four hundred eighty-nine million, nine hundred forty-one thousand, four hundred thirty-seven".

Divisors: 1 179 2737103 489941437