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404013141 = 32734718481
BaseRepresentation
bin11000000101001…
…100000001010101
31001011012222211200
4120011030001111
51311411410031
6104031223113
713004024610
oct3005140125
91034188750
10404013141
11198067064
12b3377a99
136591813c
143b92b177
15257078e6
hex1814c055

404013141 has 24 divisors (see below), whose sum is σ = 668900544. Its totient is φ = 230186880.

The previous prime is 404013133. The next prime is 404013157. The reversal of 404013141 is 141310404.

It is not a de Polignac number, because 404013141 - 23 = 404013133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404014141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12621 + ... + 31101.

It is an arithmetic number, because the mean of its divisors is an integer number (27870856).

Almost surely, 2404013141 is an apocalyptic number.

It is an amenable number.

404013141 is a deficient number, since it is larger than the sum of its proper divisors (264887403).

404013141 is a wasteful number, since it uses less digits than its factorization.

404013141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18841 (or 18838 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 404013141 is about 20100.0781341765. The cubic root of 404013141 is about 739.2621943808.

Adding to 404013141 its reverse (141310404), we get a palindrome (545323545).

The spelling of 404013141 in words is "four hundred four million, thirteen thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 63 347 1041 2429 3123 7287 18481 21861 55443 129367 166329 388101 1164303 6412907 19238721 44890349 57716163 134671047 404013141