Search a number
-
+
404013486 = 23151445931
BaseRepresentation
bin11000000101001…
…100000110101110
31001011020000022110
4120011030012232
51311411412421
6104031224450
713004025612
oct3005140656
91034200273
10404013486
11198067348
12b3378126
1365918346
143b92b342
1525707a76
hex1814c1ae

404013486 has 16 divisors (see below), whose sum is σ = 813379968. Its totient is φ = 133779000.

The previous prime is 404013481. The next prime is 404013497. The reversal of 404013486 is 684310404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404013481) 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, 222060 + ... + 223871.

It is an arithmetic number, because the mean of its divisors is an integer number (50836248).

Almost surely, 2404013486 is an apocalyptic number.

404013486 is an abundant number, since it is smaller than the sum of its proper divisors (409366482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404013486 is a wasteful number, since it uses less digits than its factorization.

404013486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446087.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 404013486 is about 20100.0867162309. The cubic root of 404013486 is about 739.2624048075.

The spelling of 404013486 in words is "four hundred four million, thirteen thousand, four hundred eighty-six".

Divisors: 1 2 3 6 151 302 453 906 445931 891862 1337793 2675586 67335581 134671162 202006743 404013486