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489401 = 1144491
BaseRepresentation
bin1110111011110111001
3220212022222
41313132321
5111130101
614253425
74105553
oct1673671
9825288
10489401
11304770
121b7275
131419b3
14ca4d3
159a01b
hex777b9

489401 has 4 divisors (see below), whose sum is σ = 533904. Its totient is φ = 444900.

The previous prime is 489389. The next prime is 489407. The reversal of 489401 is 104984.

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 489401 - 26 = 489337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22235 + ... + 22256.

It is an arithmetic number, because the mean of its divisors is an integer number (133476).

2489401 is an apocalyptic number.

It is an amenable number.

489401 is a deficient number, since it is larger than the sum of its proper divisors (44503).

489401 is a wasteful number, since it uses less digits than its factorization.

489401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44502.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 489401 is about 699.5720120188. The cubic root of 489401 is about 78.8052136518.

It can be divided in two parts, 48 and 9401, that added together give a palindrome (9449).

The spelling of 489401 in words is "four hundred eighty-nine thousand, four hundred one".

Divisors: 1 11 44491 489401