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404024141 = 2353431769
BaseRepresentation
bin11000000101001…
…110101101001101
31001011020112221002
4120011032231031
51311412233031
6104031350045
713004101643
oct3005165515
91034215832
10404024141
11198074354
12b3382325
1365920151
143b931193
152570accb
hex1814eb4d

404024141 has 16 divisors (see below), whose sum is σ = 431101440. Its totient is φ = 377794560.

The previous prime is 404024129. The next prime is 404024149. The reversal of 404024141 is 141420404.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404024141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404024149) 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, 525005 + ... + 525773.

It is an arithmetic number, because the mean of its divisors is an integer number (26943840).

Almost surely, 2404024141 is an apocalyptic number.

It is an amenable number.

404024141 is a deficient number, since it is larger than the sum of its proper divisors (27077299).

404024141 is a wasteful number, since it uses less digits than its factorization.

404024141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 404024141 is about 20100.3517630911. The cubic root of 404024141 is about 739.2689035770.

Adding to 404024141 its reverse (141420404), we get a palindrome (545444545).

The spelling of 404024141 in words is "four hundred four million, twenty-four thousand, one hundred forty-one".

Divisors: 1 23 53 431 769 1219 9913 17687 22843 40757 331439 525389 937411 7623097 17566267 404024141