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804401 = 13431439
BaseRepresentation
bin11000100011000110001
31111212102122
43010120301
5201220101
625124025
76560123
oct3043061
91455378
10804401
114aa3a4
12329615
132221a0
1416d213
1510d51b
hexc4631

804401 has 8 divisors (see below), whose sum is σ = 887040. Its totient is φ = 724752.

The previous prime is 804383. The next prime is 804409. The reversal of 804401 is 104408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 804401 - 26 = 804337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804401.

It is not an unprimeable number, because it can be changed into a prime (804409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2804401 is an apocalyptic number.

It is an amenable number.

804401 is a deficient number, since it is larger than the sum of its proper divisors (82639).

804401 is a wasteful number, since it uses less digits than its factorization.

804401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 804401 is about 896.8840504770. The cubic root of 804401 is about 93.0016957335.

Adding to 804401 its reverse (104408), we get a palindrome (908809).

The spelling of 804401 in words is "eight hundred four thousand, four hundred one".

Divisors: 1 13 43 559 1439 18707 61877 804401