Search a number
-
+
404054 = 2731931
BaseRepresentation
bin1100010101001010110
3202112020222
41202221112
5100412204
612354342
73302000
oct1425126
9675228
10404054
11256632
121759b2
13111bb1
14a7370
157eabe
hex62a56

404054 has 32 divisors (see below), whose sum is σ = 768000. Its totient is φ = 158760.

The previous prime is 404051. The next prime is 404081. The reversal of 404054 is 450404.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13019 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (24000).

2404054 is an apocalyptic number.

404054 is a deficient number, since it is larger than the sum of its proper divisors (363946).

404054 is a wasteful number, since it uses less digits than its factorization.

404054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 404054 is about 635.6524207458. The cubic root of 404054 is about 73.9287114771.

Adding to 404054 its reverse (450404), we get a palindrome (854458).

The spelling of 404054 in words is "four hundred four thousand, fifty-four".

Divisors: 1 2 7 14 19 31 38 49 62 98 133 217 266 343 434 589 686 931 1178 1519 1862 3038 4123 6517 8246 10633 13034 21266 28861 57722 202027 404054