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489294401 = 3713224173
BaseRepresentation
bin11101001010100…
…000101001000001
31021002200201201212
4131022200221001
52000224410101
6120315135505
715060635201
oct3512405101
91232621655
10489294401
11231215142
12117a44595
137a4a731b
1448daa401
152ce511bb
hex1d2a0a41

489294401 has 4 divisors (see below), whose sum is σ = 502518612. Its totient is φ = 476070192.

The previous prime is 489294361. The next prime is 489294413. The reversal of 489294401 is 104492984.

It is a Cunningham number, because it is equal to 221202+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437813776 + 51480625 = 20924^2 + 7175^2 .

It is a cyclic number.

It is not a de Polignac number, because 489294401 - 214 = 489278017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489294431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6612050 + ... + 6612123.

It is an arithmetic number, because the mean of its divisors is an integer number (125629653).

Almost surely, 2489294401 is an apocalyptic number.

It is an amenable number.

489294401 is a deficient number, since it is larger than the sum of its proper divisors (13224211).

489294401 is a wasteful number, since it uses less digits than its factorization.

489294401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224210.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 489294401 is about 22120.0000226040. Note that the first 4 decimals coincide. The cubic root of 489294401 is about 787.9949157728.

The spelling of 489294401 in words is "four hundred eighty-nine million, two hundred ninety-four thousand, four hundred one".

Divisors: 1 37 13224173 489294401